Distance between San Diego, CA (SAN) and Duluth, MN (DLH)

Flight distance from San Diego to Duluth (San Diego International Airport – Duluth International Airport) is 1637 miles / 2634 kilometers / 1422 nautical miles. Estimated flight time is 3 hours 35 minutes.

Driving distance from San Diego (SAN) to Duluth (DLH) is 2145 miles / 3452 kilometers and travel time by car is about 35 hours 23 minutes.

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

Shortest flight path between San Diego International Airport (SAN) and Duluth International Airport (DLH).

How far is Duluth from San Diego?

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

Vincenty's formula (applied above)
• 1636.524 miles
• 2633.731 kilometers
• 1422.101 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
• 1634.760 miles
• 2630.892 kilometers
• 1420.568 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 Duluth International Airport
City: Duluth, MN
Country: United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W

Time difference and current local times

The time difference between San Diego and Duluth is 2 hours. Duluth is 2 hours ahead of San Diego.

PST

CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 188 kg (415 pounds).

Frequent Flyer Miles Calculator

San Diego (SAN) → Duluth (DLH).

Distance:
1637
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1637

Round trip?