Distance between cities › USA › Montana › Pray, MT › Distance from Pray to Cascade Locks Book Hotels

Distance from Pray, MT to Cascade Locks, OR

Distance

751 mi

Time

13 hours 20 mins

Gas Cost

$70 - $136

There are 542.52 miles from Pray to Cascade Locks in west direction and 751 miles (1,208.62 kilometers) by car, following the I-90 route.

Pray and Cascade Locks are 13 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Pray, MT to Cascade Locks, OR.

Please note the time difference between Pray, MT and Cascade Locks, OR is 1 hour. The current time in Pray is 1:47 am and the current time in Cascade Locks is 12:47 am.

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Lowest Price Rental Cars in Pray, MT

Planning on renting a car to go from Pray, MT to Cascade Locks, OR? Here there are some offers to rent a car in Pray, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Pray »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 30.18 gallons of gas to cover the route between Pray, MT and Cascade Locks, OR.

The estimated cost of gas to go from Pray to Cascade Locks is $98.44.

During the route, an average car will release 591.25 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 Pray, MT and Cascade Locks, OR

If you want to meet halfway between Pray, MT and Cascade Locks, OR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 47.548363 and -116.146649, or 47º 32' 54.1068" N, 116º 8' 47.9364" W. This location is 375.72 miles away from Pray, MT and Cascade Locks, OR and it would take approximately 6 hours 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kellogg, ID, situated 374 miles from Pray, MT and 378 miles from Cascade Locks, OR. It would take 6 hours 22 mins to go from Pray to Kellogg and 7 hours to go from Cascade Locks to Kellogg.