Distance from Key West, FL to Marathon, FL

Driving distance between Key West, FL and Marathon, FL is 54.73 miles (or 88.08 kilometers). If you drove an average car (using about 3.6 gallons of gas per mile), the gas would cost you around $, since you would need about gallons of fuel.

Leaving from Key West, FL you would reach Marathon, FL in about 1 hour 12 mins if you keep an average speed of miles per hour, assuming you don’t make any breaks or get stuck in traffic.

Driving distance in miles

55 mi88 km


CO2 emissions icon

CO2 emissions: kg

Emission estimated with the eco2 norme
(185 CO2 grams/mile)

This is a map overview of the best driving route from Key West, FL to Marathon, FL in which you can see the origin and destination points marked with A (Key West) and B (Marathon) respectively as well as blue line along the road route you can take. You can zoom in to see more details, including road numbers and even street names both in Key West, FL and Marathon, FL as well as every other town you may pass by on your way.

Fuel consumption if you drive from Key West, FL to Marathon, FL

To cover the 54.73 mi that separate Marathon from Key West you are going to need between of fuel, considering you drive an average car (30 mpg) and , if you drive an SUV or a heavy car (20 mpg). If you drive a fuel efficient car (45 mpg), your consumption will only be .

Cost of driving from Key West, FL to Marathon, FL

Depending on the fuel efficiency level of your car, driving from Key West to Marathon will cost you between and . An average car would make the trip for . We calculate the route cost using real time average gas prices for the US and other costs such as tolls are not included in this calculation.

Driving directions

To help you plan your trip from Key West to Marathon, we offer a detailed map together with full, turn by turn, driving directions from Key West, FL to Marathon, FL.

Flying or direct distance between Key West, FL and Marathon, FL

The flying distance represent the straight distance from Key West to Marathon, the length of an hypothetical flight trip between the geographic center of Key West, FL and the geographic center of Marathon, FL. We also offer nearby airports to both Key West to Marathon and a flight ticket price comparison form, in case you want to make that hypothetical flight real :).

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