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

Distance from Dexter, MO to Alexander, IL

Distance

270 mi

Time

5 hours 9 mins

Gas Cost

$25 - $49

There are 202.37 miles from Dexter to Alexander in north direction and 270 miles (434.52 kilometers) by car, following the I-55 route.

Dexter and Alexander are 5 hours 9 mins far apart, if you drive non-stop .

This is the fastest route from Dexter, MO to Alexander, IL. The halfway point is Pevely, MO.

Dexter, MO and Alexander, IL are in the same time zone (CDT). Current time in both locations is 5:25 am.

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Lowest Price Rental Cars in Dexter, MO

Planning on renting a car to go from Dexter, MO to Alexander, 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 10.84 gallons of gas to cover the route between Dexter, MO and Alexander, IL.

The estimated cost of gas to go from Dexter to Alexander is $35.35.

During the route, an average car will release 212.31 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 Alexander, IL

If you want to meet halfway between Dexter, MO and Alexander, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.303555 and -90.391525, or 38º 18' 12.798" N, 90º 23' 29.49" W. This location is 134.91 miles away from Dexter, MO and Alexander, IL and it would take approximately 2 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Pevely, MO, situated 141 miles from Dexter, MO and 145 miles from Alexander, IL. It would take 2 hours 12 mins to go from Dexter to Pevely and 2 hours 20 mins to go from Alexander to Pevely.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dexter, MO and Alexander, IL is Saint Louis, MO, situated 169 miles from Dexter, MO and 116 miles from Alexander, IL. It would take 2 hours 39 mins to go from Dexter to and 1 hour 54 mins to go from Alexander to Saint Louis.