Distance between cities › USA › Montana › Grass Range, MT › Distance from Grass Range to Castor Book Hotels

Distance from Grass Range, MT to Castor, LA

Distance

1,655 mi

Time

1 day 5 hours

Gas Cost

$154 - $300

There are 1,311.76 miles from Grass Range to Castor in southeast direction and 1,655 miles (2,663.46 kilometers) by car, following the US-87 route.

Grass Range and Castor are 1 day 5 hours far apart, if you drive non-stop .

This is the fastest route from Grass Range, MT to Castor, LA.

Please note the time difference between Grass Range, MT and Castor, LA is 1 hour. The current time in Grass Range is 8:45 am and the current time in Castor is 9:45 am.

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Lowest Price Rental Cars in Grass Range, MT

Planning on renting a car to go from Grass Range, MT to Castor, LA? Here there are some offers to rent a car in Grass Range, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Grass Range »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 66.48 gallons of gas to cover the route between Grass Range, MT and Castor, LA.

The estimated cost of gas to go from Grass Range to Castor is $216.85.

During the route, an average car will release 1,302.42 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 Grass Range, MT and Castor, LA

If you want to meet halfway between Grass Range, MT and Castor, LA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.210705 and -102.724117, or 38º 12' 38.538" N, 102º 43' 26.8212" W. This location is 827.64 miles away from Grass Range, MT and Castor, LA and it would take approximately 14 hours 51 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wiley, CO, situated 830 miles from Grass Range, MT and 825 miles from Castor, LA. It would take 14 hours 25 mins to go from Grass Range to Wiley and 15 hours 18 mins to go from Castor to Wiley.

Major Cities Along the Route

Some major cities along the route include Wichita Falls, TX, Billings, MT, Carrollton, TX, Mesquite, TX, Lewisville, TX, Denton, TX, Shreveport, LA, Richardson, TX and Amarillo, TX.