# Distance between Houston, TX (HOU) and Glasgow, MT (GGW)

Flight distance from Houston to Glasgow (Houston William P. Hobby Airport – Glasgow Valley County Airport) is 1415 miles / 2278 kilometers / 1230 nautical miles. Estimated flight time is 3 hours 10 minutes.

Driving distance from Houston (HOU) to Glasgow (GGW) is 1769 miles / 2847 kilometers and travel time by car is about 31 hours 41 minutes.

## Map of flight path and driving directions from Houston to Glasgow.

Shortest flight path between Houston William P. Hobby Airport (HOU) and Glasgow Valley County Airport (GGW).

## How far is Glasgow from Houston?

There are several ways to calculate distances between Houston and Glasgow. Here are two common methods:

Vincenty's formula (applied above)
• 1415.386 miles
• 2277.842 kilometers
• 1229.936 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
• 1416.633 miles
• 2279.850 kilometers
• 1231.021 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 Glasgow Valley County Airport
City: Glasgow, MT
Country: United States
IATA Code: GGW
ICAO Code: KGGW
Coordinates: 48°12′45″N, 106°36′53″W

## Time difference and current local times

The time difference between Houston and Glasgow is 1 hour. Glasgow is 1 hour behind Houston.

CDT

MDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 174 kg (384 pounds).

## Frequent Flyer Miles Calculator

Houston (HOU) → Glasgow (GGW).

Distance:
1415
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1415

Round trip?