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

Distance from Custer, SD to Alcester, SD

Distance

429 mi

Time

7 hours 12 mins

Gas Cost

$38 - $74

There are 353.50 miles from Custer to Alcester in east direction and 429 miles (690.41 kilometers) by car, following the I-90 and US-14 route.

Custer and Alcester are 7 hours 12 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Alcester, SD. The halfway point is Kennebec, SD.

Please note the time difference between Custer, SD and Alcester, SD is 1 hour. The current time in Custer is 7:07 pm and the current time in Alcester is 8:07 pm.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Alcester, SD? 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 17.24 gallons of gas to cover the route between Custer, SD and Alcester, SD.

The estimated cost of gas to go from Custer to Alcester is $53.39.

During the route, an average car will release 337.72 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 $3.10 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and Alcester, SD

If you want to meet halfway between Custer, SD and Alcester, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.893108 and -99.943932, or 43º 53' 35.1888" N, 99º 56' 38.1552" W. This location is 214.61 miles away from Custer, SD and Alcester, SD and it would take approximately 3 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kennebec, SD, situated 220 miles from Custer, SD and 211 miles from Alcester, SD. It would take 3 hours 11 mins to go from Custer to Kennebec and 2 hours 49 mins to go from Alcester to Kennebec.