Distance between cities › USA › South Dakota › Selby, SD › Distance from Selby to Libby Book Hotels

Distance from Selby, SD to Libby, MT

Distance

977 mi

Time

17 hours 54 mins

Gas Cost

$91 - $177

There are 757.34 miles from Selby to Libby in northwest direction and 977 miles (1,572.33 kilometers) by car, following the MT 200 S route.

Selby and Libby are 17 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Selby, SD to Libby, MT. The halfway point is Ballantine, MT.

Please note the time difference between Selby, SD and Libby, MT is 1 hour. The current time in Selby is 9:59 am and the current time in Libby is 8:59 am.

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Lowest Price Rental Cars in Selby, SD

Planning on renting a car to go from Selby, SD to Libby, MT? Here there are some offers to rent a car in Selby, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Selby »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 39.23 gallons of gas to cover the route between Selby, SD and Libby, MT.

The estimated cost of gas to go from Selby to Libby is $127.98.

During the route, an average car will release 768.68 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 Selby, SD and Libby, MT

If you want to meet halfway between Selby, SD and Libby, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.904903 and -108.207085, or 45º 54' 17.6508" N, 108º 12' 25.506" W. This location is 488.47 miles away from Selby, SD and Libby, MT and it would take approximately 8 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Ballantine, MT, situated 514 miles from Selby, SD and 563 miles from Libby, MT. It would take 8 hours 57 mins to go from Selby to Ballantine and 9 hours 13 mins to go from Libby to Ballantine.

Major City Closest to Halfway Point

The major city closest to the halfway point between Selby, SD and Libby, MT is Billings, MT, situated 536 miles from Selby, SD and 541 miles from Libby, MT. It would take 9 hours 18 mins to go from Selby to and 8 hours 52 mins to go from Libby to Billings.