🚗 How Far Is It from Miami to Marathon, Florida?

The distance between Miami and Marathon is about 110 miles (177 kilometers). Driving along the Overseas Highway (U.S. 1) takes about 2 hours and 10 minutes on average — though most visitors take a bit longer to stop for photos, food, and sightseeing. The drive crosses 42 bridges, including the iconic Seven Mile Bridge just before you reach Marathon. Voice Search Answer: 🎤 Marathon Florida is about 110 miles from Miami — roughly a 2-hour drive along the scenic Overseas Highway. Local Tip: Leave Miami mid-morning to enjoy the drive in daylight — the sparkling blue water views are unforgettable!