Air Miles Calculator

Distance between Grand Rapids, MI (GRR) and Houston, TX (IAH)

Distance from Gerald R. Ford International Airport to George Bush Intercontinental Airport is 1042 miles / 1677 kilometers / 906 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1042.320 miles
  • 1677.451 kilometers
  • 905.751 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
  • 1043.221 miles
  • 1678.901 kilometers
  • 906.534 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Gerald R. Ford International Airport (GRR) to George Bush Intercontinental Airport (IAH) is 2 hours 28 minutes.

Time difference and current local times

The time difference between Grand Rapids and Houston is 1 hour. Houston is 1 hour behind Grand Rapids.

Time Difference

Grand Rapids
Houston

Grand Rapids, MI

 EST

Houston, TX

 CST

Airport information


A Gerald R. Ford International Airport
City: Grand Rapids, MI
Country: United States Flag of United States
IATA Code: GRR
ICAO Code: KGRR
Coordinates: 42°52′50″N, 85°31′22″W

B George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

Map

Flight map from Grand Rapids to Houston.

Frequent Flyer Miles Calculator

Grand Rapids (GRR) → Houston (IAH).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1042
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1042

Round trip?