Distance between cities › USA › South Dakota › Custer, SD › Distance from Custer to San Diego International Airport Book Hotels

Distance from Custer, SD to SAN Airport

Distance

1,345 mi

Time

1 day

Gas Cost

$123 - $239

Helpful Inaccurate

There are 1,058 miles from Custer to San Diego International Airport (SAN) in southwest direction and 1,345 miles (2,164.57 kilometers) by car, following the I-15 route.

Custer and SAN Airport are 1 day far apart, if you drive non-stop .

This is the fastest route from Custer, SD to SAN Airport. The halfway point is Deer Mountain, UT.

Please note the time difference between Custer, SD and SAN Airport is 1 hour. The current time in Custer is 11:45 pm and the current time in SAN Airport is 10:45 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Custer, SD to SAN Airport:

Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to SAN Airport? Here there are some offers to rent a car in Custer, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Custer »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 54.02 gallons of gas to cover the route between Custer, SD and SAN Airport.

The estimated cost of gas to go from Custer to SAN Airport is $173.08.

During the route, an average car will release 1,058.37 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and SAN Airport

If you want to meet halfway between Custer, SD and SAN Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.648289 and -111.421234, or 40º 38' 53.8404" N, 111º 25' 16.4424" W. This location is 672.55 miles away from Custer, SD and SAN Airport and it would take approximately 12 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Deer Mountain, UT, situated 684 miles from Custer, SD and 757 miles from SAN Airport. It would take 9 hours 53 mins to go from Custer to Deer Mountain and 11 hours 50 mins to go from SAN to Deer Mountain.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and SAN Airport is Salt Lake City, UT, situated 703 miles from Custer, SD and 756 miles from SAN Airport. It would take 10 hours 7 mins to go from Custer to and 11 hours 34 mins to go from SAN to Salt Lake City.

Major Cities Along the Route

Some other major cities along the route include Provo, UT,North Las Vegas, NV,Las Vegas, NV,Enterprise, NV,Temecula, CA,Vista, CA,Escondido, CA,San Diego, CA,Murrieta, CA,Victorville, CA,Fontana, CA,Rancho Cucamonga, CA, and Corona, CA.