Distance between cities › USA › Missouri › Williamstown, MO › Distance from Williamstown to Libby Book Hotels

Distance from Williamstown, MO to Libby, MT

Distance

1,650 mi

Time

1 day 5 hours

Gas Cost

$154 - $299

There are 1,295.29 miles from Williamstown to Libby in northwest direction and 1,650 miles (2,655.42 kilometers) by car, following the I-90 route.

Williamstown and Libby are 1 day 5 hours far apart, if you drive non-stop .

This is the fastest route from Williamstown, MO to Libby, MT. The halfway point is Spearfish Canyon, SD.

Please note the time difference between Williamstown, MO and Libby, MT is 1 hour. The current time in Williamstown is 10:05 am and the current time in Libby is 9:05 am.

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Lowest Price Rental Cars in Williamstown, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williamstown »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 66.25 gallons of gas to cover the route between Williamstown, MO and Libby, MT.

The estimated cost of gas to go from Williamstown to Libby is $216.12.

During the route, an average car will release 1,298.04 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 Williamstown, MO and Libby, MT

If you want to meet halfway between Williamstown, MO 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 44.504791 and -103.831848, or 44º 30' 17.2476" N, 103º 49' 54.6528" W. This location is 824.85 miles away from Williamstown, MO and Libby, MT and it would take approximately 14 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Spearfish Canyon, SD, situated 851 miles from Williamstown, MO and 867 miles from Libby, MT. It would take 12 hours 47 mins to go from Williamstown to Spearfish Canyon and 13 hours 47 mins to go from Libby to Spearfish Canyon.