How far is Decatur from Grand Rapids?
There are several ways to calculate distances between Grand Rapids and Decatur. Here are two common methods:Vincenty's formula (applied above)
- 272.720 miles
- 438.901 kilometers
- 236.987 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
- 272.631 miles
- 438.757 kilometers
- 236.910 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).
Estimated flight time from Gerald R. Ford International Airport (GRR) to Decatur Airport (DEC) is 1 hour 0 minutes.
Time difference and current local times
The time difference between Grand Rapids and Decatur is 1 hour. Decatur is 1 hour behind Grand Rapids.
Grand Rapids, MI
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 63 kg (138 pounds).
Grand Rapids to Decatur flight map.
Frequent Flyer Miles Calculator
Grand Rapids (GRR) → Decatur (DEC).