Distance between cities › USA › Missouri › Calhoun, MO › Distance from Calhoun to Avon Book Hotels

Distance from Calhoun, MO to Avon, MT

Distance

1,389 mi

Time

1 day

Gas Cost

$129 - $252

There are 1,113.12 miles from Calhoun to Avon in northwest direction and 1,389 miles (2,235.38 kilometers) by car, following the I-90 route.

Calhoun and Avon are 1 day far apart, if you drive non-stop .

This is the fastest route from Calhoun, MO to Avon, MT. The halfway point is Wasta, SD.

Please note the time difference between Calhoun, MO and Avon, MT is 1 hour. The current time in Calhoun is 6:44 am and the current time in Avon is 5:44 am.

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Lowest Price Rental Cars in Calhoun, MO

Planning on renting a car to go from Calhoun, MO to Avon, MT? Here there are some offers to rent a car in Calhoun, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Calhoun »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 55.80 gallons of gas to cover the route between Calhoun, MO and Avon, MT.

The estimated cost of gas to go from Calhoun to Avon is $182.03.

During the route, an average car will release 1,093.27 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 Calhoun, MO and Avon, MT

If you want to meet halfway between Calhoun, MO and Avon, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.042011 and -102.376221, or 44º 2' 31.2396" N, 102º 22' 34.3956" W. This location is 694.73 miles away from Calhoun, MO and Avon, MT and it would take approximately 12 hours 2 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wasta, SD, situated 749 miles from Calhoun, MO and 698 miles from Avon, MT. It would take 10 hours 36 mins to go from Calhoun to Wasta and 9 hours 57 mins to go from Avon to Wasta.