Distance between cities › USA › Ohio › Cincinnati, OH › Distance from Cincinnati to Gray Summit Book Hotels

Distance from Cincinnati, OH to Gray Summit, MO

Distance

386 mi

Time

7 hours 17 mins

Gas Cost

$36 - $70

There are 342.07 miles from Cincinnati to Gray Summit in west direction and 386 miles (621.21 kilometers) by car, following the I-70 route.

Cincinnati and Gray Summit are 7 hours 17 mins far apart, if you drive non-stop .

This is the fastest route from Cincinnati, OH to Gray Summit, MO. The halfway point is Dennison, IL.

Please note the time difference between Cincinnati, OH and Gray Summit, MO is 1 hour. The current time in Cincinnati is 7:02 am and the current time in Gray Summit is 6:02 am.

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Lowest Price Rental Cars in Cincinnati, OH

Planning on renting a car to go from Cincinnati, OH to Gray Summit, MO? Here there are some offers to rent a car in Cincinnati, OH

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cincinnati »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 15.50 gallons of gas to cover the route between Cincinnati, OH and Gray Summit, MO.

The estimated cost of gas to go from Cincinnati to Gray Summit is $50.57.

During the route, an average car will release 303.76 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 Cincinnati, OH and Gray Summit, MO

If you want to meet halfway between Cincinnati, OH and Gray Summit, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.423195 and -87.636337, or 39º 25' 23.502" N, 87º 38' 10.8132" W. This location is 193.03 miles away from Cincinnati, OH and Gray Summit, 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 Dennison, IL, situated 196 miles from Cincinnati, OH and 200 miles from Gray Summit, MO. It would take 3 hours 22 mins to go from Cincinnati to Dennison and 3 hours 22 mins to go from Gray Summit to Dennison.