# Distance between Redmond, OR (RDM) and Columbia, MO (COU)

Flight distance from Redmond to Columbia (Roberts Field – Columbia Regional Airport) is 1538 miles / 2475 kilometers / 1336 nautical miles. Estimated flight time is 3 hours 24 minutes.

Driving distance from Redmond (RDM) to Columbia (COU) is 1835 miles / 2953 kilometers and travel time by car is about 30 hours 48 minutes.

## 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).

## Airport information

A Roberts Field
City: Redmond, OR
Country: United States
IATA Code: RDM
ICAO Code: KRDM
Coordinates: 44°15′14″N, 121°9′0″W

B Columbia Regional Airport
City: Columbia, MO
Country: United States
IATA Code: COU
ICAO Code: KCOU
Coordinates: 38°49′5″N, 92°13′10″W

## Time difference and current local times

The time difference between Redmond and Columbia is 2 hours. Columbia is 2 hours ahead of Redmond.

PST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 182 kg (401 pounds).

## Frequent Flyer Miles Calculator

Redmond (RDM) → Columbia (COU).

Distance:
1538
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1538

Round trip?