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

How far is Janesville from Saint Peters, Missouri?

The distance from Janesville to Saint Peters, Missouri is 281.1 miles (452.4 km) as the crow flies. Saint Peters, Missouri is located SSW of Janesville. By car, the driving distance is approximately 351.4 miles, taking about 7h 4min. A direct flight would take roughly 1h 4min. Both are located in United States — Janesville in Wisconsin and Saint Peters, Missouri in Missouri.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. 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 Janesville 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.