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O Fallon Illinois Map

Explore O Fallon, Illinois, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of O Fallon, Illinois

How to Use This O Fallon, Illinois Map

This interactive map shows the street layout and satellite imagery for O Fallon, Illinois. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Illinois or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to O Fallon.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

City	O Fallon
State	Illinois (IL)
County	St. Clair County
Country	United States of America
Timezone	Central Time (America/Chicago)

Latitude	38.5893
Longitude	-89.9118
Population	29,987
Density	680.0 /km²
Incorporated	N/A
ZIP Code	62269
Area Code	217
County Seat	Belleville

🌦 Goto O Fallon Weather Page: O Fallon, Illinois — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About O Fallon, Illinois

O Fallon is a locality in St. Clair County, Illinois, United States. It has a population of 29,987. The population density is 680.0 people per km². O Fallon is located at 38.5893°N, 89.9118°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 62269.

O Fallon rises from the flat, fertile expanse of the Midwest, where the horizon stretches wide and the sky holds a heavy, expansive clarity. It lies 6.8 miles south of Rock Island, IL (from Rock Island, IL: bearing 177°T), and is situated 7.8 miles south of Davenport. Engle Creek carves a quiet, winding path through the landscape, acting as a subtle vein that feeds the surrounding earth. To the east, the elevation shifts toward the distant, faint silhouette of Pleasant Ridge, grounding the view in a steady, geologic permanence. Within this inland basin, Fairwood Lake rests as a still mirror to the changing seasons, while the expansive Ridge Prairie offers a reminder of the vast grasslands that once defined this territory. O Fallon Community Park provides a central green lung for the inhabitants, where the light at dusk settles in long, golden bars across the grass.

Coal mining and the iron rails once dictated the pulse of O Fallon, drawing laborers who built their lives upon the strength of the bedrock. The economy has since shifted, moving away from the soot and sweat of the early shafts toward a modern rhythm of commerce and professional service. Local industry now finds its footing in the steady movement of goods and the support of nearby military installations, keeping the pace consistent and industrious. The legacy of those early immigrant families remains in the architecture of the older streets, where brick facades retain the heat of the afternoon sun. Growth here feels deliberate, favoring the quiet accumulation of progress over the sudden, frantic sprawl of larger metropolitan centers.

The character of O Fallon emerges from a blend of Midwestern pragmatism and a deep-rooted sense of neighborly expectation. Residents gather at O Fallon Community Park for seasonal festivals, marking the passage of time with public celebrations that feel both familiar and vital. While the town remains unassuming, it has been the home of figures like actor William Holden, whose early life was shaped by the steady, unpretentious environment of the region. Life here moves with a measured cadence, governed by the cycles of the school year and the quiet maintenance of local traditions. Landmarks are not monuments of grand scale, but rather the enduring institutions and gathering spots that bind the residents together in a shared, daily existence.

Nearby Outdoor Places

Scenic Red Caboose (Attraction) — 0.2 mi, 002° N
O'Fallon Community Park (Local Park) — 0.2 mi, 107° E
O'Fallon Historical Society (Museum) — 0.2 mi, 009° N
Family Sports Park (Local Park) — 1.0 mi, 285° W
O'Fallon Veterans Memorial (Monument) — 1.1 mi, 056° NE
Tamarack Country Club (Local Recreation) — 1.6 mi, 183° S
Swirc&D Open Space (Local Conservation Area) — 2.7 mi, 169° S
Lake View Memorial Gardens (Local Recreation) — 3.6 mi, 255° W
Golf Course (Park) — 3.7 mi, 130° SE
Historic Scott Gate (Monument) — 4.3 mi, 143° SE
Airlifter's Memorial (Monument) — 4.3 mi, 143° SE
Locust Hills Golf Course (Park) — 4.6 mi, 080° E
7 Gates of Hell: Gates 3 and 4 (Viewpoint) — 5.9 mi, 352° N
Green Root Gallery (Gallery) — 6.4 mi, 216° SW
Emma Kunz County Museum (Museum) — 6.6 mi, 212° SW
Big Red Shoe (Public Artwork) — 6.8 mi, 220° SW
Browns Mound (Historic Ruins) — 7.9 mi, 003° N
Cahokia Mounds State Historical Site (State Park) — 8.2 mi, 298° NW
Frank Holten State Park (State Park) — 9.0 mi, 266° W
Mound 55 (Historic Ruins) — 9.2 mi, 300° NW
Village Theatre (Theatre) — 10.4 mi, 263° W
Town & Country Motel sign (Attraction) — 13.0 mi, 335° NW
Mustang Corral (Attraction) — 13.0 mi, 336° NW
Edwardsville Arts Center (Arts Centre) — 14.2 mi, 346° N
Ralph Korte Stadium (Stadium) — 14.4 mi, 338° N
Bel Air drive in sign (Attraction) — 14.6 mi, 325° NW
Gateway Arch National Park (National Park) — 14.9 mi, 281° W · 85 acres
Museum at the Gateway Arch (Museum) — 15.0 mi, 280° W
Big Muddy National Fish And Wildlife Refuge (National Wildlife Refuge) — 21.2 mi, 322° NW · 32k acres
Middle Mississippi River National Wildlife Refuge (National Wildlife Refuge) — 31.4 mi, 229° SW · 16k acres

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