# Distance between Houston, TX (HOU) and McGrath, AK (MCG)

Flight distance from Houston to McGrath (Houston William P. Hobby Airport – McGrath Airport) is 3494 miles / 5622 kilometers / 3036 nautical miles. Estimated flight time is 7 hours 6 minutes.

Driving distance from Houston (HOU) to McGrath (MCG) is 4320 miles / 6953 kilometers and travel time by car is about 79 hours 34 minutes.

## 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).

## Airport information

A Houston William P. Hobby Airport
City: Houston, TX
Country: United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W

B McGrath Airport
City: McGrath, AK
Country: United States
IATA Code: MCG
ICAO Code: PAMC
Coordinates: 62°57′10″N, 155°36′21″W

## Time difference and current local times

The time difference between Houston and McGrath is 3 hours. McGrath is 3 hours behind Houston.

CST

AKST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 394 kg (868 pounds).

## Frequent Flyer Miles Calculator

Houston (HOU) → McGrath (MCG).

Distance:
3494
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
3494

Round trip?