Saint Peters, Missouri to Upper Alton: Road Trip Guide & Distance

How far is Saint Peters, Missouri from Upper Alton?

The distance from Saint Peters, Missouri to Upper Alton is 26.7 miles (43 km) as the crow flies. Upper Alton is located ENE of Saint Peters, Missouri. By car, the driving distance is approximately 34.7 miles, taking about 42min. A direct flight would take roughly 33min. Both are located in United States — Saint Peters, Missouri in Missouri and Upper Alton in Illinois.

This is a very short trip, perfect for a quick morning drive or an easy commute. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Saint Peters, Missouri and Upper Alton. 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.