# Distance between San Diego, CA (SAN) and Butte, MT (BTM)

Flight distance from San Diego to Butte (San Diego International Airport – Bert Mooney Airport) is 946 miles / 1522 kilometers / 822 nautical miles. Estimated flight time is 2 hours 17 minutes.

Driving distance from San Diego (SAN) to Butte (BTM) is 1169 miles / 1882 kilometers and travel time by car is about 19 hours 14 minutes.

## Map of flight path and driving directions from San Diego to Butte.

Shortest flight path between San Diego International Airport (SAN) and Bert Mooney Airport (BTM).

## How far is Butte from San Diego?

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

Vincenty's formula (applied above)
• 945.636 miles
• 1521.854 kilometers
• 821.735 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
• 946.838 miles
• 1523.788 kilometers
• 822.780 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 San Diego International Airport
City: San Diego, CA
Country: United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W

B Bert Mooney Airport
City: Butte, MT
Country: United States
IATA Code: BTM
ICAO Code: KBTM
Coordinates: 45°57′17″N, 112°29′49″W

## Time difference and current local times

The time difference between San Diego and Butte is 1 hour. Butte is 1 hour ahead of San Diego.

PST

MST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 147 kg (324 pounds).

## Frequent Flyer Miles Calculator

San Diego (SAN) → Butte (BTM).

Distance:
946
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
946

Round trip?