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

Distance from Dexter, MO to Sumner, MO

Distance

380 mi

Time

7 hours 26 mins

Gas Cost

$34 - $65

There are 266.01 miles from Dexter to Sumner in northwest direction and 380 miles (611.55 kilometers) by car, following the I-64 and US-40 and US-61 route.

Dexter and Sumner are 7 hours 26 mins far apart, if you drive non-stop .

This is the fastest route from Dexter, MO to Sumner, MO. The halfway point is Foristell, MO.

Dexter, MO and Sumner, MO are in the same time zone (CDT). Current time in both locations is 3:45 am.

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Lowest Price Rental Cars in Dexter, MO

Planning on renting a car to go from Dexter, MO to Sumner, MO? 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 15.27 gallons of gas to cover the route between Dexter, MO and Sumner, MO.

The estimated cost of gas to go from Dexter to Sumner is $47.18.

During the route, an average car will release 299.23 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 $3.09 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Dexter, MO and Sumner, MO

If you want to meet halfway between Dexter, MO and Sumner, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.810860 and -90.912491, or 38º 48' 39.096" N, 90º 54' 44.9676" W. This location is 190.15 miles away from Dexter, MO and Sumner, MO and it would take approximately 3 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Foristell, MO, situated 201 miles from Dexter, MO and 184 miles from Sumner, MO. It would take 3 hours 10 mins to go from Dexter to Foristell and 3 hours 4 mins to go from Sumner to Foristell.