# Distance between Casper, WY (CPR) and San Francisco, CA (SFO)

Flight distance from Casper to San Francisco (Casper–Natrona County International Airport – San Francisco International Airport) is 915 miles / 1472 kilometers / 795 nautical miles. Estimated flight time is 2 hours 13 minutes.

Driving distance from Casper (CPR) to San Francisco (SFO) is 1156 miles / 1860 kilometers and travel time by car is about 19 hours 30 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and San Francisco International Airport (SFO).

## How far is San Francisco from Casper?

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

Vincenty's formula (applied above)
• 914.859 miles
• 1472.323 kilometers
• 794.991 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
• 913.130 miles
• 1469.540 kilometers
• 793.488 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 San Francisco International Airport
City: San Francisco, CA
Country: United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″W

## Time difference and current local times

The time difference between Casper and San Francisco is 1 hour. San Francisco is 1 hour behind Casper.

MDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 145 kg (319 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → San Francisco (SFO).

Distance:
915
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
915

Round trip?