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

Distance from Dexter, MO to Thomson, IL

Distance

459 mi

Time

8 hours 38 mins

Gas Cost

$43 - $83

There are 356.81 miles from Dexter to Thomson in north direction and 459 miles (738.69 kilometers) by car, following the I-55 route.

Dexter and Thomson are 8 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Dexter, MO to Thomson, IL. The halfway point is Litchfield, IL.

Dexter, MO and Thomson, IL are in the same time zone (CDT). Current time in both locations is 7:18 am.

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Lowest Price Rental Cars in Dexter, MO

Planning on renting a car to go from Dexter, MO to Thomson, IL? 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 18.42 gallons of gas to cover the route between Dexter, MO and Thomson, IL.

The estimated cost of gas to go from Dexter to Thomson is $60.10.

During the route, an average car will release 360.95 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 Thomson, IL

If you want to meet halfway between Dexter, MO and Thomson, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.247398 and -89.641228, or 39º 14' 50.6328" N, 89º 38' 28.4208" W. This location is 229.37 miles away from Dexter, MO and Thomson, IL and it would take approximately 4 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Litchfield, IL, situated 223 miles from Dexter, MO and 237 miles from Thomson, IL. It would take 3 hours 30 mins to go from Dexter to Litchfield and 3 hours 57 mins to go from Thomson to Litchfield.