Janesville to Twin Falls: Road Trip Guide & Distance

How far is Janesville from Twin Falls?

The distance from Janesville to Twin Falls is 1288.6 miles (2073.8 km) as the crow flies. Twin Falls is located W of Janesville. By car, the driving distance is approximately 1546.3 miles, taking about 31h 6min. A direct flight would take roughly 3h 6min. Both are located in United States — Janesville in Wisconsin and Twin Falls in Idaho.

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. 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. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Janesville and Twin Falls. 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.