# Distance between Casper, WY (CPR) and Hermosillo (HMO)

Flight distance from Casper to Hermosillo (Casper–Natrona County International Airport – Hermosillo International Airport) is 986 miles / 1587 kilometers / 857 nautical miles. Estimated flight time is 2 hours 21 minutes.

Driving distance from Casper (CPR) to Hermosillo (HMO) is 1388 miles / 2233 kilometers and travel time by car is about 23 hours 44 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Hermosillo International Airport (HMO).

## How far is Hermosillo from Casper?

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

Vincenty's formula (applied above)
• 985.908 miles
• 1586.665 kilometers
• 856.730 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
• 987.701 miles
• 1589.551 kilometers
• 858.289 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 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

B Hermosillo International Airport
City: Hermosillo
Country: Mexico
IATA Code: HMO
ICAO Code: MMHO
Coordinates: 29°5′45″N, 111°2′52″W

## Time difference and current local times

There is no time difference between Casper and Hermosillo.

MST

MST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 150 kg (330 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Hermosillo (HMO).

Distance:
986
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
986

Round trip?