Distance between cities › USA › Texas › Stonewall, TX › Distance from Stonewall to Sidney Book Hotels

Distance from Stonewall, TX to Sidney, MT

Distance

1,503 mi

Time

1 day 3 hours

Gas Cost

$140 - $272

There are 1,242.48 miles from Stonewall to Sidney in northwest direction and 1,503 miles (2,418.84 kilometers) by car, following the I-25 route.

Stonewall and Sidney are 1 day 3 hours far apart, if you drive non-stop .

This is the fastest route from Stonewall, TX to Sidney, MT.

Please note the time difference between Stonewall, TX and Sidney, MT is 1 hour. The current time in Stonewall is 4:27 pm and the current time in Sidney is 3:27 pm.

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Lowest Price Rental Cars in Stonewall, TX

Planning on renting a car to go from Stonewall, TX to Sidney, MT? Here there are some offers to rent a car in Stonewall, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Stonewall »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 60.36 gallons of gas to cover the route between Stonewall, TX and Sidney, MT.

The estimated cost of gas to go from Stonewall to Sidney is $196.90.

During the route, an average car will release 1,182.63 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 Stonewall, TX and Sidney, MT

If you want to meet halfway between Stonewall, TX and Sidney, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.081052 and -103.388088, or 39º 4' 51.7872" N, 103º 23' 17.1168" W. This location is 751.52 miles away from Stonewall, TX and Sidney, MT and it would take approximately 13 hours 56 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hugo, CO, situated 775 miles from Stonewall, TX and 728 miles from Sidney, MT. It would take 14 hours 23 mins to go from Stonewall to Hugo and 13 hours 30 mins to go from Sidney to Hugo.