Distance between cities › USA › Kentucky › Jonancy, KY › Distance from Jonancy to Lamar Book Hotels

Distance from Jonancy, KY to Lamar, MS

Distance

510 mi

Time

9 hours 54 mins

Gas Cost

$48 - $92

There are 410.70 miles from Jonancy to Lamar in southwest direction and 510 miles (820.77 kilometers) by car, following the I-40 route.

Jonancy and Lamar are 9 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Jonancy, KY to Lamar, MS.

Please note the time difference between Jonancy, KY and Lamar, MS is 1 hour. The current time in Jonancy is 5:12 am and the current time in Lamar is 4:12 am.

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Lowest Price Rental Cars in Jonancy, KY

Planning on renting a car to go from Jonancy, KY to Lamar, MS? Here there are some offers to rent a car in Jonancy, KY

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Jonancy »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 20.47 gallons of gas to cover the route between Jonancy, KY and Lamar, MS.

The estimated cost of gas to go from Jonancy to Lamar is $66.78.

During the route, an average car will release 401.07 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 Jonancy, KY and Lamar, MS

If you want to meet halfway between Jonancy, KY and Lamar, MS or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 37.042318 and -86.212789, or 37º 2' 32.3448" N, 86º 12' 46.0404" W. This location is 254.86 miles away from Jonancy, KY and Lamar, MS and it would take approximately 4 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Smiths Grove, KY, situated 249 miles from Jonancy, KY and 262 miles from Lamar, MS. It would take 4 hours 48 mins to go from Jonancy to Smiths Grove and 5 hours 10 mins to go from Lamar to Smiths Grove.