Distance between cities › USA › Louisiana › Hackberry, LA › Distance from Hackberry to Grassy Key Book Hotels

Distance from Hackberry, LA to Grassy Key, FL

Distance

1,172 mi

Time

21 hours 54 mins

Gas Cost

$109 - $212

There are 841.01 miles from Hackberry to Grassy Key in southeast direction and 1,172 miles (1,886.15 kilometers) by car, following the I-10 route.

Hackberry and Grassy Key are 21 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Hackberry, LA to Grassy Key, FL.

Please note the time difference between Hackberry, LA and Grassy Key, FL is 1 hour. The current time in Hackberry is 4:25 am and the current time in Grassy Key is 5:25 am.

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Lowest Price Rental Cars in Hackberry, LA

Planning on renting a car to go from Hackberry, LA to Grassy Key, FL? Here there are some offers to rent a car in Hackberry, LA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Hackberry »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 47.05 gallons of gas to cover the route between Hackberry, LA and Grassy Key, FL.

The estimated cost of gas to go from Hackberry to Grassy Key is $153.49.

During the route, an average car will release 921.89 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 Hackberry, LA and Grassy Key, FL

If you want to meet halfway between Hackberry, LA and Grassy Key, FL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 30.571519 and -84.677474, or 30º 34' 17.4684" N, 84º 40' 38.9064" W. This location is 585.83 miles away from Hackberry, LA and Grassy Key, FL and it would take approximately 10 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 Gretna, FL, situated 568 miles from Hackberry, LA and 610 miles from Grassy Key, FL. It would take 10 hours 31 mins to go from Hackberry to Gretna and 11 hours 39 mins to go from Grassy Key to Gretna.

Major City Closest to Halfway Point

The major city closest to the halfway point between Hackberry, LA and Grassy Key, FL is Tallahassee, FL, situated 592 miles from Hackberry, LA and 582 miles from Grassy Key, FL. It would take 10 hours 58 mins to go from Hackberry to Tallahassee and 11 hours 10 mins to go from Grassy Key to Tallahassee.

Major Cities Along the Route

Some other major cities along the route include Miami Gardens, FL, Pembroke Pines, FL, Lafayette, LA, Miramar, FL, Baton Rouge, LA, Pompano Beach, FL, Mobile, AL and Port Saint Lucie, FL.