Distance between cities › USA › South Dakota › Custer, SD › Distance from Custer to San Luis Book Hotels

Distance from Custer, SD to San Luis, AZ

Distance

1,327 mi

Time

1 day

Gas Cost

$124 - $240

There are 986.40 miles from Custer to San Luis in southwest direction and 1,327 miles (2,135.60 kilometers) by car, following the I-15 route.

Custer and San Luis are 1 day far apart, if you drive non-stop .

This is the fastest route from Custer, SD to San Luis, AZ. The halfway point is Thompson, UT.

Please note the time difference between Custer, SD and San Luis, AZ is 1 hour. The current time in Custer is 11:21 pm and the current time in San Luis is 10:21 pm.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Custer, SD to San Luis, AZ:

Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to San Luis, AZ? 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 53.29 gallons of gas to cover the route between Custer, SD and San Luis, AZ.

The estimated cost of gas to go from Custer to San Luis is $173.84.

During the route, an average car will release 1,044.11 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 Custer, SD and San Luis, AZ

If you want to meet halfway between Custer, SD and San Luis, AZ or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.941036 and -109.708374, or 38º 56' 27.7296" N, 109º 42' 30.1464" W. This location is 663.49 miles away from Custer, SD and San Luis, AZ and it would take approximately 12 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Thompson, UT, situated 680 miles from Custer, SD and 701 miles from San Luis, AZ. It would take 10 hours 35 mins to go from Custer to Thompson and 11 hours 24 mins to go from San Luis to Thompson.