Air Miles Calculator

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

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

Time difference and current local times

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

Time Difference

Houston
Grand Rapids

Houston, TX

 CST

Grand Rapids, MI

 EST

Airport information


A 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

B 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

Map

Flight map from Houston to Grand Rapids.

Frequent Flyer Miles Calculator

Houston (IAH) → Grand Rapids (GRR).

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?