Milwaukee to O'Fallon, Illinois: Road Trip Guide & Distance

324.6 miles 522.4 km · straight line
368.8 miles actual route 593.6 km · driving distance
7h 2min estimated drive time
$35 - $44 estimated fuel cost
~1h 9min flight time
200° SSW bearing direction

How far is Milwaukee from O'Fallon, Illinois?

The distance from Milwaukee to O'Fallon, Illinois is 324.6 miles (522.4 km) as the crow flies. O'Fallon, Illinois is located SSW of Milwaukee. By car, the driving distance is approximately 368.8 miles, taking about 7h 2min. A direct flight would take roughly 1h 9min. Both are located in United States — Milwaukee in Wisconsin and O'Fallon, Illinois in Illinois.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Milwaukee and O'Fallon, Illinois. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Milwaukee to O'Fallon, Illinois

Method Time Est. Cost Best For
Drive 7h 2min $35 - $44 Flexible stops
Fly ~1h 9min $80–200* Speed
Bus ~8h 26min $30–$55* Budget
Train ~6h 41min $44–$129* Comfort

Suggested Stops Between Milwaukee & O'Fallon, Illinois

Quick Facts

Milwaukee
43.04°N, 87.91°W
America/Chicago
188m elevation
O'Fallon, Illinois
38.59°N, 89.91°W
America/Chicago
167m elevation
Explore more routes from O'Fallon, Illinois

Did You Know?

  • At walking speed (3 mph), it would take about 108 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 27 hours
  • You could travel this distance about 76.7 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM