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

Distance from Dexter, MO to Mendon, MO

Distance

365 mi

Time

7 hours 16 mins

Gas Cost

$32 - $63

There are 258.84 miles from Dexter to Mendon in northwest direction and 365 miles (587.41 kilometers) by car, following the I-55 route.

Dexter and Mendon are 7 hours 16 mins far apart, if you drive non-stop .

This is the fastest route from Dexter, MO to Mendon, MO. The halfway point is Weldon Spring, MO.

Dexter, MO and Mendon, MO are in the same time zone (CDT). Current time in both locations is 3:47 am.

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Lowest Price Rental Cars in Dexter, MO

Planning on renting a car to go from Dexter, MO to Mendon, 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 14.67 gallons of gas to cover the route between Dexter, MO and Mendon, MO.

The estimated cost of gas to go from Dexter to Mendon is $45.31.

During the route, an average car will release 287.39 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 Mendon, MO

If you want to meet halfway between Dexter, MO and Mendon, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.728558 and -90.728516, or 38º 43' 42.8088" N, 90º 43' 42.6576" W. This location is 182.63 miles away from Dexter, MO and Mendon, MO and it would take approximately 3 hours 38 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Weldon Spring, MO, situated 184 miles from Dexter, MO and 176 miles from Mendon, MO. It would take 2 hours 56 mins to go from Dexter to Weldon Spring and 3 hours 11 mins to go from Mendon to Weldon Spring.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dexter, MO and Mendon, MO is Saint Louis, MO, situated 169 miles from Dexter, MO and 205 miles from Mendon, MO. It would take 2 hours 39 mins to go from Dexter to and 3 hours 41 mins to go from Mendon to Saint Louis.