Distance between cities › USA › Missouri › Dexter, MO › Distance from Dexter to Decker Book Hotels

Distance from Dexter, MO to Decker, MT

Distance

1,343 mi

Time

23 hours 54 mins

Gas Cost

$125 - $243

There are 1,046.38 miles from Dexter to Decker in northwest direction and 1,343 miles (2,161.35 kilometers) by car, following the I-90 route.

Dexter and Decker are 23 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Dexter, MO to Decker, MT.

Please note the time difference between Dexter, MO and Decker, MT is 1 hour. The current time in Dexter is 2:18 am and the current time in Decker is 1:18 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Dexter, MO to Decker, MT:

Lowest Price Rental Cars in Dexter, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dexter »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 53.93 gallons of gas to cover the route between Dexter, MO and Decker, MT.

The estimated cost of gas to go from Dexter to Decker is $175.91.

During the route, an average car will release 1,056.57 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 Dexter, MO and Decker, MT

If you want to meet halfway between Dexter, MO and Decker, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.316268 and -96.796275, or 43º 18' 58.5648" N, 96º 47' 46.59" W. This location is 671.41 miles away from Dexter, MO and Decker, MT and it would take approximately 11 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Worthing, SD, situated 725 miles from Dexter, MO and 621 miles from Decker, MT. It would take 13 hours 42 mins to go from Dexter to Worthing and 10 hours 19 mins to go from Decker to Worthing.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dexter, MO and Decker, MT is Sioux Falls, SD, situated 741 miles from Dexter, MO and 606 miles from Decker, MT. It would take 14 hours 1 min to go from Dexter to Sioux Falls and 10 hours 5 mins to go from Decker to Sioux Falls.