Distance between cities › USA › Montana › Pray, MT › Distance from Pray to O Brien Book Hotels

Distance from Pray, MT to O Brien, TX

Distance

1,311 mi

Time

23 hours 15 mins

Gas Cost

$122 - $238

There are 1,009.14 miles from Pray to O Brien in southeast direction and 1,311 miles (2,109.85 kilometers) by car, following the US-87 route.

Pray and O Brien are 23 hours 15 mins far apart, if you drive non-stop .

This is the fastest route from Pray, MT to O Brien, TX.

Please note the time difference between Pray, MT and O Brien, TX is 1 hour. The current time in Pray is 10:58 am and the current time in O Brien is 11:58 am.

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Lowest Price Rental Cars in Pray, MT

Planning on renting a car to go from Pray, MT to O Brien, TX? 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 52.67 gallons of gas to cover the route between Pray, MT and O Brien, TX.

The estimated cost of gas to go from Pray to O Brien is $171.80.

During the route, an average car will release 1,031.85 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 O Brien, TX

If you want to meet halfway between Pray, MT and O Brien, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.515 and -104.992143, or 40º 30' 54" N, 104º 59' 31.7148" W. This location is 655.70 miles away from Pray, MT and O Brien, TX and it would take approximately 11 hours 37 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Timnath, CO, situated 635 miles from Pray, MT and 679 miles from O Brien, TX. It would take 10 hours 32 mins to go from Pray to Timnath and 12 hours 51 mins to go from O Brien to Timnath.

Major City Closest to Halfway Point

The major city closest to the halfway point between Pray, MT and O Brien, TX is Fort Collins, CO, situated 634 miles from Pray, MT and 686 miles from O Brien, TX. It would take 10 hours 33 mins to go from Pray to Fort Collins and 13 hours 1 min to go from O Brien to Fort Collins.