Air Miles Calculator

Distance between San Diego, CA (SAN) and Lewistown, MT (LWT)

Flight distance from San Diego to Lewistown (San Diego International Airport – Lewistown Municipal Airport) is 1068 miles / 1719 kilometers / 928 nautical miles. Estimated flight time is 2 hours 31 minutes.

Driving distance from San Diego (SAN) to Lewistown (LWT) is 1321 miles / 2126 kilometers and travel time by car is about 22 hours 53 minutes.

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

Shortest flight path between San Diego International Airport (SAN) and Lewistown Municipal Airport (LWT).

How far is Lewistown from San Diego?

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

Vincenty's formula (applied above)
  • 1068.246 miles
  • 1719.175 kilometers
  • 928.280 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
  • 1069.190 miles
  • 1720.694 kilometers
  • 929.101 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 Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W

B Lewistown Municipal Airport
City: Lewistown, MT
Country: United States Flag of United States
IATA Code: LWT
ICAO Code: KLWT
Coordinates: 47°2′57″N, 109°28′1″W

Time difference and current local times

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

Time Difference

San Diego, CA

 PST

Lewistown, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 155 kg (342 pounds).

Frequent Flyer Miles Calculator

San Diego (SAN) → Lewistown (LWT).

Distance:
1068
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1068

Round trip?