Distance from Chicago to Oshkosh
How far is it from Chicago to Oshkosh? About 157 mi in a straight line and 204 mi by road. Driving time, flight time, midpoint and route details.
Chicago and Oshkosh are about 157 mi (252 km) apart in a straight line. By road that works out to roughly 204 mi (328 km), a drive of about 3 hr 39 min. A nonstop flight covers the great-circle distance in approximately 47 min.
| Straight-line distance | 157 mi / 252 km |
| Road distance (est.) | 204 mi / 328 km |
| Driving time (est.) | 3 hr 39 min |
| Nonstop flight (est.) | 47 min |
| Driving fuel (est., 1-way) | $25 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 42.938, -88.088 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Chicago to Oshkosh is about 157 mi (252 km) in a straight line, and roughly 204 mi (328 km) by road.