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

Distance from Dexter, MO to Harmon, LA

Distance

482 mi

Time

8 hours 45 mins

Gas Cost

$45 - $87

There are 381.98 miles from Dexter to Harmon in southwest direction and 482 miles (775.70 kilometers) by car, following the I-57 route.

Dexter and Harmon are 8 hours 45 mins far apart, if you drive non-stop .

This is the fastest route from Dexter, MO to Harmon, LA. The halfway point is Lonoke, AR.

Dexter, MO and Harmon, LA are in the same time zone (CDT). Current time in both locations is 5:34 am.

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Lowest Price Rental Cars in Dexter, MO

Planning on renting a car to go from Dexter, MO to Harmon, LA? 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 19.37 gallons of gas to cover the route between Dexter, MO and Harmon, LA.

The estimated cost of gas to go from Dexter to Harmon is $63.19.

During the route, an average car will release 379.52 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 Harmon, LA

If you want to meet halfway between Dexter, MO and Harmon, LA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 34.799232 and -91.988899, or 34º 47' 57.2352" N, 91º 59' 20.0364" W. This location is 241.17 miles away from Dexter, MO and Harmon, LA and it would take approximately 4 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lonoke, AR, situated 260 miles from Dexter, MO and 282 miles from Harmon, LA. It would take 4 hours 3 mins to go from Dexter to Lonoke and 4 hours 51 mins to go from Harmon to Lonoke.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dexter, MO and Harmon, LA is Little Rock, AR, situated 285 miles from Dexter, MO and 258 miles from Harmon, LA. It would take 4 hours 26 mins to go from Dexter to and 4 hours 27 mins to go from Harmon to Little Rock.