Air Miles Calculator

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 Flag of 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 Flag of 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.

Time Difference

Houston, TX

 CST

Casper, WY

 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?