Distance between cities › USA › California › Del Mar, CA › Distance from Del Mar to Custer Book Hotels

Distance from Del Mar, CA to Custer, MT

Distance

1,339 mi

Time

23 hours 47 mins

Gas Cost

$125 - $243

There are 1,044.88 miles from Del Mar to Custer in northeast direction and 1,339 miles (2,154.91 kilometers) by car, following the I-15 route.

Del Mar and Custer are 23 hours 47 mins far apart, if you drive non-stop .

This is the fastest route from Del Mar, CA to Custer, MT.

Please note the time difference between Del Mar, CA and Custer, MT is 1 hour. The current time in Del Mar is 4:36 pm and the current time in Custer is 5:36 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Del Mar, CA to Custer, MT:

Lowest Price Rental Cars in Del Mar, CA

Planning on renting a car to go from Del Mar, CA to Custer, MT? Here there are some offers to rent a car in Del Mar, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Del Mar »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 53.79 gallons of gas to cover the route between Del Mar, CA and Custer, MT.

The estimated cost of gas to go from Del Mar to Custer is $175.45.

During the route, an average car will release 1,053.76 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Del Mar, CA and Custer, MT

If you want to meet halfway between Del Mar, CA and Custer, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.190386 and -111.646596, or 40º 11' 25.3896" N, 111º 38' 47.7456" W. This location is 669.63 miles away from Del Mar, CA and Custer, MT and it would take approximately 11 hours 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Springville, UT, situated 691 miles from Del Mar, CA and 653 miles from Custer, MT. It would take 12 hours 13 mins to go from Del Mar to Springville and 11 hours 42 mins to go from Custer to Springville.

Major City Closest to Halfway Point

The major city closest to the halfway point between Del Mar, CA and Custer, MT is Provo, UT, situated 694 miles from Del Mar, CA and 647 miles from Custer, MT. It would take 12 hours 18 mins to go from Del Mar to Provo and 11 hours 36 mins to go from Custer to Provo.

Major Cities Along the Route

Some other major cities along the route include Escondido, CA, North Las Vegas, NV, Billings, MT, Murrieta, CA, West Jordan, UT, Salt Lake City, UT, Victorville, CA, Temecula, CA, Las Vegas, NV and San Bernardino, CA.