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

Distance from Custer, SD to Sidney, NE

Distance

215 mi

Time

4 hours 20 mins

Gas Cost

$20 - $39

There are 183.91 miles from Custer to Sidney in south direction and 215 miles (346.01 kilometers) by car, following the US-385 and SD 89 route.

Custer and Sidney are 4 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Sidney, NE. The halfway point is Hemingford, NE.

Custer, SD and Sidney, NE are in the same time zone (MDT). Current time in both locations is 7:13 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Sidney, 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 8.65 gallons of gas to cover the route between Custer, SD and Sidney, NE.

The estimated cost of gas to go from Custer to Sidney is $28.22.

During the route, an average car will release 169.51 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Custer, SD and Sidney, NE

If you want to meet halfway between Custer, SD and Sidney, NE or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.536137 and -102.970444, or 42º 32' 10.0932" N, 102º 58' 13.5984" W. This location is 107.72 miles away from Custer, SD and Sidney, NE and it would take approximately 2 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hemingford, NE, situated 127 miles from Custer, SD and 95 miles from Sidney, NE. It would take 2 hours 46 mins to go from Custer to Hemingford and 2 hours 14 mins to go from Sidney to Hemingford.