Map of flight path and driving directions from Redmond to Columbia.
Shortest flight path between Roberts Field (RDM) and Columbia Regional Airport (COU).
How far is Columbia from Redmond?
There are several ways to calculate distances between Redmond and Columbia. Here are two common methods:Vincenty's formula (applied above)
- 1537.605 miles
- 2474.536 kilometers
- 1336.142 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
- 1533.973 miles
- 2468.691 kilometers
- 1332.986 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
The time difference between Redmond and Columbia is 2 hours. Columbia is 2 hours ahead of Redmond.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 182 kg (401 pounds).
Frequent Flyer Miles Calculator
Redmond (RDM) → Columbia (COU).