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

555.4 miles 893.9 km · straight line
666.5 miles estimated 1072.7 km · driving distance
13h 25min estimated drive time
$64 - $79 estimated fuel cost
~1h 37min flight time
172° S bearing direction

How far is Duluth, Minnesota from O'Fallon, Missouri?

The distance from Duluth, Minnesota to O'Fallon, Missouri is 555.4 miles (893.9 km) as the crow flies. O'Fallon, Missouri is located S of Duluth, Minnesota. By car, the driving distance is approximately 666.5 miles, taking about 13h 25min. A direct flight would take roughly 1h 37min. Both are located in United States — Duluth, Minnesota in Minnesota and O'Fallon, Missouri in Missouri.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. As you head South, expect warmer temperatures. Make sure your car's AC is working well before embarking on this journey.

Coordinates come from public place data for Duluth, Minnesota and O'Fallon, Missouri. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Duluth, Minnesota to O'Fallon, Missouri

Method Time Est. Cost Best For
Drive 13h 25min $64 - $79 Flexible stops
Fly ~1h 37min $80–200* Speed
Bus ~16h 6min $53–$100* Budget
Train ~17h 27min $80–$233* Comfort

Suggested Stops Between Duluth, Minnesota & O'Fallon, Missouri

Quick Facts

Duluth, Minnesota
46.78°N, 92.11°W
America/Chicago
214m 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 185 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 46 hours
  • You could travel this distance about 44.8 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients