Key West
USAcoastal

Overseas Highway: Florida Keys

113 miles of bridges hopping island to island out to Key West

Distance
98 mi
157 km
Driving
2 hr 36 min
excl. stops
Suggested
3 days
balanced split
Stops
5
curated

Distance and driving time are measured along the mapped route through the 5 stops listed below. Officially signed versions of famous routes often quote a longer figure, since they include promoted detours this line doesn't take.

Key West · Photo: Wikimedia Commons

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Day by day

Distances are measured along the actual road geometry, not straight-line. Drive times exclude stops, traffic and ferry waits.

What the drive is like

Most of it is one road: the US1 carries 97% of the distance.

It's flat. Nowhere along the way did we measure the road higher than about 12 m above sea level.

Part of the drive follows the Overseas Highway (US-1, Florida Keys).

  • US197%

How high it goes

~12 m near Key LargoKey LargoKey West · 157 km
Height above sea level along the driving route, measured at about 50 points. Total climb roughly 85 m.

Passes and famous roads

From the 500-plus roads drivers collect in the Plan Your Road Trips app.

Famous road · On the route

Overseas Highway (US-1, Florida Keys)

Before you go

Best time to drive it

December to April

The dry season. June to November is hurricane season, and the Overseas Highway is the only road in and out of the Keys.

Driving rules

Emission zones, mandatory equipment and licence requirements change country by country, and in 2026 several of them changed mid-year.

Every stop on the Overseas Highway: Florida Keys

  1. Key Largo

    Start

  2. Islamorada

    +27 km from the last stop

  3. Marathon

    +54 km from the last stop

  4. Big Pine Key

    +29 km from the last stop

  5. Key West

    +47 km from the last stop

Worth a detour

Curated places within 25 km of the road.

Common questions about the Overseas Highway: Florida Keys

How long does the Overseas Highway: Florida Keys take?

The driving itself is about 2 hr 36 min across 98 miles (157 km). Most people spread it over 3 days: the day-by-day breakdown on this page splits it into balanced stretches rather than equal ones, so no single day is all driving.

How many miles is the Overseas Highway: Florida Keys?

98 miles, or 157 km, measured along the actual road rather than straight-line between towns.

When is the best time to drive the Overseas Highway: Florida Keys?

December to April. The dry season. June to November is hurricane season, and the Overseas Highway is the only road in and out of the Keys.

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