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

Distance from Custer, SD to Alliance, NE

Distance

140 mi

Time

2 hours 55 mins

Gas Cost

$13 - $25

There are 121.38 miles from Custer to Alliance in southeast direction and 140 miles (225.31 kilometers) by car, following the US-385 and SD 89 route.

Custer and Alliance are 2 hours 55 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Alliance, NE. The halfway point is Oelrichs, SD.

Custer, SD and Alliance, NE are in the same time zone (MDT). Current time in both locations is 7:15 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Alliance, NE? 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 5.62 gallons of gas to cover the route between Custer, SD and Alliance, NE.

The estimated cost of gas to go from Custer to Alliance is $18.35.

During the route, an average car will release 110.19 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 Alliance, NE

If you want to meet halfway between Custer, SD and Alliance, NE or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.982624 and -103.182678, or 42º 58' 57.4464" N, 103º 10' 57.6408" W. This location is 70.02 miles away from Custer, SD and Alliance, NE and it would take approximately 1 hour 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Oelrichs, SD, situated 55 miles from Custer, SD and 86 miles from Alliance, NE. It would take 1 hour 11 mins to go from Custer to Oelrichs and 1 hour 54 mins to go from Alliance to Oelrichs.