Map of flight path and driving directions from Houston to McGrath.
Shortest flight path between Houston William P. Hobby Airport (HOU) and McGrath Airport (MCG).
How far is McGrath from Houston?
There are several ways to calculate distances between Houston and McGrath. Here are two common methods:Vincenty's formula (applied above)
- 3493.615 miles
- 5622.429 kilometers
- 3035.869 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
- 3488.707 miles
- 5614.529 kilometers
- 3031.603 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).
Time difference and current local times
The time difference between Houston and McGrath is 3 hours. McGrath is 3 hours behind Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 394 kg (868 pounds).
Frequent Flyer Miles Calculator
Houston (HOU) → McGrath (MCG).