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

Distance from Ridgeway, MO to Roy, MT

Distance

1,141 mi

Time

20 hours 19 mins

Gas Cost

$106 - $207

There are 887.10 miles from Ridgeway to Roy in northwest direction and 1,141 miles (1,836.26 kilometers) by car, following the I-90 route.

Ridgeway and Roy are 20 hours 19 mins far apart, if you drive non-stop .

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

Please note the time difference between Ridgeway, MO and Roy, MT is 1 hour. The current time in Ridgeway is 1:24 am and the current time in Roy is 12:24 am.

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Lowest Price Rental Cars in Ridgeway, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ridgeway »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 45.84 gallons of gas to cover the route between Ridgeway, MO and Roy, MT.

The estimated cost of gas to go from Ridgeway to Roy is $149.53.

During the route, an average car will release 898.11 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 Ridgeway, MO and Roy, MT

If you want to meet halfway between Ridgeway, 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 43.896364 and -100.907673, or 43º 53' 46.9104" N, 100º 54' 27.6228" W. This location is 570.72 miles away from Ridgeway, MO and Roy, MT and it would take approximately 10 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Okaton, SD, situated 580 miles from Ridgeway, MO and 562 miles from Roy, MT. It would take 9 hours 52 mins to go from Ridgeway to Okaton and 10 hours 30 mins to go from Roy to Okaton.