Distance between cities › USA › Florida › Saint Johns, FL › Distance from Saint Johns to Flat Book Hotels

Distance from Saint Johns, FL to Flat, TX

Distance

1,081 mi

Time

20 hours

Gas Cost

$101 - $196

There are 966.70 miles from Saint Johns to Flat in west direction and 1,081 miles (1,739.70 kilometers) by car, following the I-10 route.

Saint Johns and Flat are 20 hours far apart, if you drive non-stop .

This is the fastest route from Saint Johns, FL to Flat, TX.

Please note the time difference between Saint Johns, FL and Flat, TX is 1 hour. The current time in Saint Johns is 2:25 pm and the current time in Flat is 1:25 pm.

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Lowest Price Rental Cars in Saint Johns, FL

Planning on renting a car to go from Saint Johns, FL to Flat, TX? Here there are some offers to rent a car in Saint Johns, FL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Saint Johns »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 43.41 gallons of gas to cover the route between Saint Johns, FL and Flat, TX.

The estimated cost of gas to go from Saint Johns to Flat is $141.60.

During the route, an average car will release 850.46 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 Saint Johns, FL and Flat, TX

If you want to meet halfway between Saint Johns, FL and Flat, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.296953 and -89.673779, or 30º 17' 49.0308" N, 89º 40' 25.6044" W. This location is 540.44 miles away from Saint Johns, FL and Flat, TX and it would take approximately 10 hours to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Pearlington, MS, situated 539 miles from Saint Johns, FL and 553 miles from Flat, TX. It would take 9 hours 52 mins to go from Saint Johns to Pearlington and 10 hours 29 mins to go from Flat to Pearlington.