Janesville to Mount Prospect: Road Trip Guide & Distance

How far is Janesville from Mount Prospect?

The distance from Janesville to Mount Prospect is 69.7 miles (112.2 km) as the crow flies. Mount Prospect is located SE of Janesville. By car, the driving distance is approximately 87.2 miles, taking about 1h 45min. A direct flight would take roughly 38min. Both are located in United States — Janesville in Wisconsin and Mount Prospect in Illinois.

This is a quick and easy drive, perfect for a day trip or weekend getaway. You can easily make the round trip in a single day. 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 Janesville and Mount Prospect. 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.