Distance between cities › USA › Florida › Hernando, FL › Distance from Hernando to Mammoth Cave Book Hotels

Distance from Hernando, FL to Mammoth Cave, KY

Distance

706 mi

Time

13 hours 27 mins

Gas Cost

$66 - $129

There are 611.74 miles from Hernando to Mammoth Cave in northwest direction and 706 miles (1,136.20 kilometers) by car, following the I-75 route.

Hernando and Mammoth Cave are 13 hours 27 mins far apart, if you drive non-stop .

This is the fastest route from Hernando, FL to Mammoth Cave, KY.

Please note the time difference between Hernando, FL and Mammoth Cave, KY is 1 hour. The current time in Hernando is 3:24 am and the current time in Mammoth Cave is 2:24 am.

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Lowest Price Rental Cars in Hernando, FL

Planning on renting a car to go from Hernando, FL to Mammoth Cave, KY? Here there are some offers to rent a car in Hernando, FL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Hernando »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 28.34 gallons of gas to cover the route between Hernando, FL and Mammoth Cave, KY.

The estimated cost of gas to go from Hernando to Mammoth Cave is $93.26.

During the route, an average car will release 555.18 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Hernando, FL and Mammoth Cave, KY

If you want to meet halfway between Hernando, FL and Mammoth Cave, KY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.467738 and -84.212156, or 33º 28' 3.8568" N, 84º 12' 43.7616" W. This location is 352.80 miles away from Hernando, FL and Mammoth Cave, KY and it would take approximately 6 hours 43 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is McDonough, GA, situated 359 miles from Hernando, FL and 350 miles from Mammoth Cave, KY. It would take 6 hours 37 mins to go from Hernando to McDonough and 6 hours 59 mins to go from Mammoth Cave to McDonough.

Major City Closest to Halfway Point

The major city closest to the halfway point between Hernando, FL and Mammoth Cave, KY is Atlanta, GA, situated 386 miles from Hernando, FL and 320 miles from Mammoth Cave, KY. It would take 7 hours 7 mins to go from Hernando to Atlanta and 6 hours 21 mins to go from Mammoth Cave to Atlanta.