# Distance between Houston, TX (IAH) and Casper, WY (CPR)

Flight distance from Houston to Casper (Houston George Bush Intercontinental Airport – Casper–Natrona County International Airport) is 1083 miles / 1743 kilometers / 941 nautical miles. Estimated flight time is 2 hours 33 minutes.

Driving distance from Houston (IAH) to Casper (CPR) is 1305 miles / 2100 kilometers and travel time by car is about 22 hours 17 minutes.

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

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Casper–Natrona County International Airport (CPR).

## How far is Casper from Houston?

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

Vincenty's formula (applied above)
• 1083.180 miles
• 1743.209 kilometers
• 941.258 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
• 1083.875 miles
• 1744.328 kilometers
• 941.862 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 Casper–Natrona County International Airport
City: Casper, WY
Country: United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

## Time difference and current local times

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

CST

MST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 156 kg (344 pounds).

## Frequent Flyer Miles Calculator

Houston (IAH) → Casper (CPR).

Distance:
1083
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1083

Round trip?