Distance between cities › USA › Missouri › Calhoun, MO › Distance from Calhoun to Flat Book Hotels

Distance from Calhoun, MO to Flat, KY

Distance

625 mi

Time

12 hours

Gas Cost

$58 - $113

There are 550.98 miles from Calhoun to Flat in east direction and 625 miles (1,005.84 kilometers) by car, following the I-64 route.

Calhoun and Flat are 12 hours far apart, if you drive non-stop .

This is the fastest route from Calhoun, MO to Flat, KY.

Please note the time difference between Calhoun, MO and Flat, KY is 1 hour. The current time in Calhoun is 5:55 pm and the current time in Flat is 6:55 pm.

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Lowest Price Rental Cars in Calhoun, MO

Planning on renting a car to go from Calhoun, MO to Flat, KY? Here there are some offers to rent a car in Calhoun, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Calhoun »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 25.10 gallons of gas to cover the route between Calhoun, MO and Flat, KY.

The estimated cost of gas to go from Calhoun to Flat is $81.87.

During the route, an average car will release 491.70 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 Calhoun, MO and Flat, KY

If you want to meet halfway between Calhoun, MO and Flat, KY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.271691 and -88.703948, or 38º 16' 18.0876" N, 88º 42' 14.2128" W. This location is 312.46 miles away from Calhoun, MO and Flat, KY and it would take approximately 6 hours to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Belle Rive, IL, situated 314 miles from Calhoun, MO and 316 miles from Flat, KY. It would take 6 hours 14 mins to go from Calhoun to Belle Rive and 5 hours 56 mins to go from Flat to Belle Rive.