Distance between cities › USA › Missouri › Lake Spring, MO › Distance from Lake Spring to Roy Book Hotels

Distance from Lake Spring, MO to Roy, MT

Distance

1,374 mi

Time

1 day

Gas Cost

$128 - $249

There are 1,095.39 miles from Lake Spring to Roy in northwest direction and 1,374 miles (2,211.24 kilometers) by car, following the I-90 route.

Lake Spring and Roy are 1 day far apart, if you drive non-stop .

This is the fastest route from Lake Spring, MO to Roy, MT.

Please note the time difference between Lake Spring, MO and Roy, MT is 1 hour. The current time in Lake Spring is 1:06 pm and the current time in Roy is 12:06 pm.

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Lowest Price Rental Cars in Lake Spring, MO

Planning on renting a car to go from Lake Spring, MO to Roy, MT? Here there are some offers to rent a car in Lake Spring, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Lake Spring »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 55.19 gallons of gas to cover the route between Lake Spring, MO and Roy, MT.

The estimated cost of gas to go from Lake Spring to Roy is $180.03.

During the route, an average car will release 1,081.30 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 Lake Spring, MO and Roy, MT

If you want to meet halfway between Lake Spring, MO and Roy, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.752347 and -99.105456, or 43º 45' 8.4492" N, 99º 6' 19.6416" W. This location is 687.12 miles away from Lake Spring, MO and Roy, MT and it would take approximately 12 hours 26 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Pukwana, SD, situated 726 miles from Lake Spring, MO and 652 miles from Roy, MT. It would take 13 hours 5 mins to go from Lake Spring to Pukwana and 11 hours 56 mins to go from Roy to Pukwana.