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.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
San Diego - Duluth
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.
Time Difference
San Diego, CA
Duluth, MN
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 188 kg (415 pounds).
Frequent Flyer Miles Calculator
San Diego (SAN) → Duluth (DLH).
In total
Round trip?