Map of flight path and driving directions from Cologne to Rome.
Shortest flight path between Cologne Bonn Airport (CGN) and Ciampino–G. B. Pastine International Airport (CIA).
How far is Rome from Cologne?
There are several ways to calculate distances between Cologne and Rome. Here are two common methods:Vincenty's formula (applied above)
- 677.912 miles
- 1090.993 kilometers
- 589.089 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
- 677.822 miles
- 1090.849 kilometers
- 589.011 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 Rome.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 122 kg (269 pounds).
Frequent Flyer Miles Calculator
Cologne (CGN) → Rome (CIA).