Map of flight path and driving directions from Cologne to Dortmund.
Shortest flight path between Cologne Bonn Airport (CGN) and Dortmund Airport (DTM).
How far is Dortmund from Cologne?
There are several ways to calculate distances between Cologne and Dortmund. Here are two common methods:Vincenty's formula (applied above)
- 49.496 miles
- 79.657 kilometers
- 43.011 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
- 49.449 miles
- 79.580 kilometers
- 42.970 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
There is no time difference between Cologne and Dortmund.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 32 kg (71 pounds).
Frequent Flyer Miles Calculator
Cologne (CGN) → Dortmund (DTM).