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

Distance from Custer, SD to Lamar, PA

Distance

1,343 mi

Time

1 day 1 hour

Gas Cost

$125 - $243

There are 1,096.72 miles from Custer to Lamar in southeast direction and 1,343 miles (2,161.35 kilometers) by car, following the I-80 route.

Custer and Lamar are 1 day 1 hour far apart, if you drive non-stop .

This is the fastest route from Custer, SD to Lamar, PA. The halfway point is Moundridge, KS.

Please note the time difference between Custer, SD and Lamar, PA is 1 hour. The current time in Custer is 1:20 am and the current time in Lamar is 2:20 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Lamar, PA? 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 53.95 gallons of gas to cover the route between Custer, SD and Lamar, PA.

The estimated cost of gas to go from Custer to Lamar is $175.99.

During the route, an average car will release 1,057.04 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 Lamar, PA

If you want to meet halfway between Custer, SD and Lamar, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.243427 and -97.528191, or 38º 14' 36.3372" N, 97º 31' 41.4876" W. This location is 671.71 miles away from Custer, SD and Lamar, PA and it would take approximately 12 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Moundridge, KS, situated 666 miles from Custer, SD and 713 miles from Lamar, PA. It would take 10 hours 56 mins to go from Custer to Moundridge and 11 hours 34 mins to go from Lamar to Moundridge.