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

Distance from Custer, SD to Monongahela, PA

Distance

1,434 mi

Time

1 day 1 hour

Gas Cost

$134 - $260

There are 1,236 miles from Custer to Monongahela in east direction and 1,434 miles (2,307.80 kilometers) by car, following the I-90 and US-14 route.

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

This is the fastest route from Custer, SD to Monongahela, PA.

Please note the time difference between Custer, SD and Monongahela, PA is 2 hours. The current time in Custer is 4:42 am and the current time in Monongahela is 6:42 am.

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Lowest Price Rental Cars in Custer, SD

Planning on renting a car to go from Custer, SD to Monongahela, 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 57.59 gallons of gas to cover the route between Custer, SD and Monongahela, PA.

The estimated cost of gas to go from Custer to Monongahela is $187.87.

During the route, an average car will release 1,128.35 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 Monongahela, PA

If you want to meet halfway between Custer, SD and Monongahela, PA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.894114 and -90.93219, or 43º 53' 38.8104" N, 90º 55' 55.884" W. This location is 717.02 miles away from Custer, SD and Monongahela, PA and it would take approximately 12 hours 58 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rockland, WI, situated 691 miles from Custer, SD and 745 miles from Monongahela, PA. It would take 11 hours 57 mins to go from Custer to Rockland and 14 hours 14 mins to go from Monongahela to Rockland.