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

326.5 miles 525.4 km · straight line
397.8 miles actual route 640.2 km · driving distance
7h 35min estimated drive time
$38 - $47 estimated fuel cost
~1h 9min flight time
207° SSW bearing direction

How far is Milwaukee from O'Fallon, Missouri?

The distance from Milwaukee to O'Fallon, Missouri is 326.5 miles (525.4 km) as the crow flies. O'Fallon, Missouri is located SSW of Milwaukee. By car, the driving distance is approximately 397.8 miles, taking about 7h 35min. A direct flight would take roughly 1h 9min. Both are located in United States — Milwaukee in Wisconsin and O'Fallon, Missouri in Missouri.

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, Missouri. 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, Missouri

Method Time Est. Cost Best For
Drive 7h 35min $38 - $47 Flexible stops
Fly ~1h 9min $80–200* Speed
Bus ~9h 6min $32–$60* Budget
Train ~7h 12min $48–$139* Comfort

Suggested Stops Between Milwaukee & O'Fallon, Missouri

Quick Facts

Milwaukee
43.04°N, 87.91°W
America/Chicago
188m elevation
O'Fallon, Missouri
38.81°N, 90.70°W
America/Chicago
165m elevation
Explore more routes from O'Fallon, Missouri

Did You Know?

  • At walking speed (3 mph), it would take about 109 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 27 hours
  • You could travel this distance about 76.3 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM