# Distance between Houston, TX (IAH) and Kalispell, MT (FCA)

Flight distance from Houston to Kalispell (Houston George Bush Intercontinental Airport – Glacier Park International Airport) is 1613 miles / 2595 kilometers / 1401 nautical miles. Estimated flight time is 3 hours 33 minutes.

Driving distance from Houston (IAH) to Kalispell (FCA) is 2029 miles / 3265 kilometers and travel time by car is about 34 hours 15 minutes.

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

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Glacier Park International Airport (FCA).

## How far is Kalispell from Houston?

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

Vincenty's formula (applied above)
• 1612.532 miles
• 2595.119 kilometers
• 1401.252 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
• 1612.583 miles
• 2595.201 kilometers
• 1401.297 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 George Bush Intercontinental Airport
City: Houston, TX
Country: United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

B Glacier Park International Airport
City: Kalispell, MT
Country: United States
IATA Code: FCA
ICAO Code: KGPI
Coordinates: 48°18′37″N, 114°15′21″W

## Time difference and current local times

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

CDT

MDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 187 kg (412 pounds).

## Frequent Flyer Miles Calculator

Houston (IAH) → Kalispell (FCA).

Distance:
1613
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1613

Round trip?