Air Miles Calculator

Distance between Redmond, OR (RDM) and Springfield, IL (SPI)

Flight distance from Redmond to Springfield (Roberts Field – Springfield Abraham Lincoln Capital Airport) is 1637 miles / 2634 kilometers / 1422 nautical miles. Estimated flight time is 3 hours 35 minutes.

Driving distance from Redmond (RDM) to Springfield (SPI) is 1936 miles / 3116 kilometers and travel time by car is about 32 hours 43 minutes.

Map of flight path and driving directions from Redmond to Springfield.

Shortest flight path between Roberts Field (RDM) and Springfield Abraham Lincoln Capital Airport (SPI).

How far is Springfield from Redmond?

There are several ways to calculate distances between Redmond and Springfield. Here are two common methods:

Vincenty's formula (applied above)
  • 1636.865 miles
  • 2634.280 kilometers
  • 1422.397 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
  • 1632.792 miles
  • 2627.724 kilometers
  • 1418.857 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 Flag of United States
IATA Code: RDM
ICAO Code: KRDM
Coordinates: 44°15′14″N, 121°9′0″W

B Springfield Abraham Lincoln Capital Airport
City: Springfield, IL
Country: United States Flag of United States
IATA Code: SPI
ICAO Code: KSPI
Coordinates: 39°50′38″N, 89°40′40″W

Time difference and current local times

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

Time Difference

Redmond, OR

 PDT

Springfield, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 188 kg (415 pounds).

Frequent Flyer Miles Calculator

Redmond (RDM) → Springfield (SPI).

Distance:
1637
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1637

Round trip?