Rockwall to Saint Peters, Missouri: Road Trip Guide & Distance

520.5 miles 837.6 km · straight line
624.5 miles estimated 1005.1 km · driving distance
12h 34min estimated drive time
$60 - $74 estimated fuel cost
~1h 33min flight time
37° NE bearing direction

How far is Rockwall from Saint Peters, Missouri?

The distance from Rockwall to Saint Peters, Missouri is 520.5 miles (837.6 km) as the crow flies. Saint Peters, Missouri is located NE of Rockwall. By car, the driving distance is approximately 624.5 miles, taking about 12h 34min. A direct flight would take roughly 1h 33min. Both are located in United States — Rockwall in Texas and Saint Peters, 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 Rockwall and Saint Peters, 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 Rockwall to Saint Peters, Missouri

Method Time Est. Cost Best For
Drive 12h 34min $60 - $74 Flexible stops
Fly ~1h 33min $80–200* Speed
Bus ~15h 5min $50–$94* Budget
Train ~16h 20min $75–$219* Comfort

Suggested Stops Between Rockwall & Saint Peters, Missouri

Quick Facts

Rockwall
32.93°N, 96.46°W
America/Chicago
180m elevation
Saint Peters, Missouri
38.80°N, 90.63°W
America/Chicago
134m elevation
Explore more routes from Saint Peters, Missouri

Did You Know?

  • At walking speed (3 mph), it would take about 174 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 43 hours
  • You could travel this distance about 47.8 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients