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

Distance from Custer, SD to Alexander, KS

Distance

561 mi

Time

10 hours 56 mins

Gas Cost

$51 - $100

There are 422.13 miles from Custer to Alexander in southeast direction and 561 miles (902.84 kilometers) by car, following the I-80 route.

Custer and Alexander are 10 hours 56 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Alexander, KS. The halfway point is Watkins, CO.

Please note the time difference between Custer, SD and Alexander, KS is 1 hour. The current time in Custer is 8:57 pm and the current time in Alexander is 9:57 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Alexander, KS? 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 22.54 gallons of gas to cover the route between Custer, SD and Alexander, KS.

The estimated cost of gas to go from Custer to Alexander is $72.20.

During the route, an average car will release 441.51 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 Alexander, KS

If you want to meet halfway between Custer, SD and Alexander, KS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.724190 and -104.548141, or 39º 43' 27.084" N, 104º 32' 53.3076" W. This location is 280.56 miles away from Custer, SD and Alexander, KS and it would take approximately 5 hours 28 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Watkins, CO, situated 380 miles from Custer, SD and 340 miles from Alexander, KS. It would take 5 hours 41 mins to go from Custer to Watkins and 5 hours 6 mins to go from Alexander to Watkins.

Major City Closest to Halfway Point

The major city closest to the halfway point between Custer, SD and Alexander, KS is Denver, CO, situated 366 miles from Custer, SD and 363 miles from Alexander, KS. It would take 5 hours 32 mins to go from Custer to and 5 hours 32 mins to go from Alexander to Denver.