Distance between cities › USA › Mississippi › Jackson, MS › Distance from Jackson to Saint Marks Book Hotels

Distance from Jackson, MS to Saint Marks, FL

Distance

450 mi

Time

8 hours 45 mins

Gas Cost

$42 - $82

There are 382.78 miles from Jackson to Saint Marks in southeast direction and 450 miles (724.20 kilometers) by car, following the I-10 route.

Jackson and Saint Marks are 8 hours 45 mins far apart, if you drive non-stop .

This is the fastest route from Jackson, MS to Saint Marks, FL.

Please note the time difference between Jackson, MS and Saint Marks, FL is 1 hour. The current time in Jackson is 10:29 pm and the current time in Saint Marks is 11:29 pm.

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Lowest Price Rental Cars in Jackson, MS

Planning on renting a car to go from Jackson, MS to Saint Marks, FL? Here there are some offers to rent a car in Jackson, MS

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Jackson »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 18.06 gallons of gas to cover the route between Jackson, MS and Saint Marks, FL.

The estimated cost of gas to go from Jackson to Saint Marks is $58.93.

During the route, an average car will release 353.93 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 Jackson, MS and Saint Marks, FL

If you want to meet halfway between Jackson, MS and Saint Marks, FL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.575187 and -87.417562, or 30º 34' 30.6732" N, 87º 25' 3.2232" W. This location is 224.91 miles away from Jackson, MS and Saint Marks, FL and it would take approximately 4 hours 22 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cantonment, FL, situated 240 miles from Jackson, MS and 222 miles from Saint Marks, FL. It would take 4 hours 50 mins to go from Jackson to Cantonment and 4 hours 19 mins to go from Saint Marks to Cantonment.