Distance between cities › USA › Texas › Otto, TX › Distance from Otto to Monarch Book Hotels

Distance from Otto, TX to Monarch, MT

Distance

1,609 mi

Time

1 day 4 hours

Gas Cost

$150 - $292

There are 1,311.70 miles from Otto to Monarch in northwest direction and 1,609 miles (2,589.43 kilometers) by car, following the I-25 route.

Otto and Monarch are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Otto, TX to Monarch, MT. The halfway point is Genoa, CO.

Please note the time difference between Otto, TX and Monarch, MT is 1 hour. The current time in Otto is 5:36 am and the current time in Monarch is 4:36 am.

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Lowest Price Rental Cars in Otto, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Otto »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 64.60 gallons of gas to cover the route between Otto, TX and Monarch, MT.

The estimated cost of gas to go from Otto to Monarch is $210.73.

During the route, an average car will release 1,265.64 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 Otto, TX and Monarch, MT

If you want to meet halfway between Otto, TX and Monarch, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.270103 and -103.436806, or 39º 16' 12.3708" N, 103º 26' 12.5016" W. This location is 804.27 miles away from Otto, TX and Monarch, MT and it would take approximately 14 hours 23 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Genoa, CO, situated 883 miles from Otto, TX and 871 miles from Monarch, MT. It would take 12 hours 48 mins to go from Otto to Genoa and 14 hours 5 mins to go from Monarch to Genoa.