DeKalb to Oshkosh: Road Trip Guide & Distance

How far is DeKalb from Oshkosh?

The distance from DeKalb to Oshkosh is 145.2 miles (233.6 km) as the crow flies. Oshkosh is located N of DeKalb. By car, the driving distance is approximately 181.4 miles, taking about 3h 39min. A direct flight would take roughly 48min. Both are located in United States — DeKalb in Illinois and Oshkosh in Wisconsin.

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. 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 DeKalb and Oshkosh. 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.