Search by airport name, city or IATA airport code.
Chicago–Roanoke | MDW–ROA
Calculations with different methods
- 516.537 miles
- 831.285 kilometers
- 448.858 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 515.992 miles
- 830.409 kilometers
- 448.385 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Midway International Airport (MDW) to Roanoke–Blacksburg Regional Airport (ROA) is 1 hour 28 minutes.
Time difference and current local times
The time difference between Chicago and Roanoke is 1 hour. Roanoke is 1 hour ahead of Chicago.
Chicago to Roanoke flight map.
Frequent Flyer Miles Calculator
Chicago (MDW) → Roanoke (ROA).