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

663.6 miles 1067.9 km · straight line
796.3 miles estimated 1281.5 km · driving distance
16h 1min estimated drive time
$77 - $94 estimated fuel cost
~1h 50min flight time
35° NE bearing direction

How far is Killeen from O'Fallon, Missouri?

The distance from Killeen to O'Fallon, Missouri is 663.6 miles (1067.9 km) as the crow flies. O'Fallon, Missouri is located NE of Killeen. By car, the driving distance is approximately 796.3 miles, taking about 16h 1min. A direct flight would take roughly 1h 50min. Both are located in United States — Killeen in Texas 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. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Killeen 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 Killeen to O'Fallon, Missouri

Method Time Est. Cost Best For
Drive 16h 1min $77 - $94 Flexible stops
Fly ~1h 50min $80–200* Speed
Bus ~19h 13min $64–$119* Budget
Train ~20h 49min $96–$279* Comfort

Suggested Stops Between Killeen & O'Fallon, Missouri

Quick Facts

Killeen
31.12°N, 97.73°W
America/Chicago
252m 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 221 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 55 hours
  • You could travel this distance about 37.5 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients