Driving
Key Largo to Key West
Updated: 28 May 2026
Driving from Key Largo to Key West is one of the most iconic road trips in the United States. You will traverse the Overseas Highway, crossing 42 bridges over the turquoise waters of the Atlantic and the Gulf of Mexico. The route covers 155 kilometers and takes approximately 2.5 to 3 hours without stops. You will pass through Islamorada, Marathon, and Big Pine Key along the way. This journey is famous for its breathtaking ocean vistas and unique island culture.
Total Distance: 155 km driving distance; 150 km straight-line air distance.
Fastest Way
Driving via US-1 is the only practical way, taking roughly 2.5 hours.
Cheapest Way
Driving your own car is the most economical way to reach Key West.
Compare Key Largo to Key West Routes
Driving
Direct
Duration
2 hours 30 mins
Avg Price
$20-$30 in fuel
Operator
Personal Vehicle
Route
US-1 South (Overseas Highway)
Stop at the Seven Mile Bridge for the best photo opportunities.
Travel Tips
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Speed LimitsSpeed limits are strictly enforced in the Keys; watch for sudden drops in speed through towns.
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ParkingParking in Key West is limited and expensive; look for public garages or park at your hotel.
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Bridge SafetyBridges can be narrow and windy; maintain a steady speed and stay in your lane.
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Island TimeEmbrace the relaxed pace of the Keys; traffic can be slow, so plan for extra time.
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Sun ProtectionThe reflection of the sun off the water is intense; wear polarized sunglasses while driving.
Safety Tips
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WildlifeBe alert for Key Deer on Big Pine Key, as they are an endangered species and often cross the road.
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WeatherHigh winds can affect bridge travel; check weather reports before departing.
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EmergencyCell service is generally reliable, but keep a physical map as a backup.
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HydrationStay hydrated, as the heat can be dehydrating during long drives.
People Also Ask
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How long is the drive to Key West?The drive from Key Largo to Key West is approximately 155 kilometers and takes 2.5 to 3 hours.
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Are there tolls to Key West?No, there are no tolls on the Overseas Highway to Key West.
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Can I take a train to Key West?No, there is no train service to Key West.
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What is the best stop on the way?Bahia Honda State Park and the Seven Mile Bridge are highly recommended stops.
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Is the road to Key West safe?Yes, the Overseas Highway is a well-maintained road, but requires caution due to its length and bridge crossings.
Quick Info
- From Key Largo, Florida, United States
- To Key West, Florida, United States
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Modes
Best Time to Travel
March to May for pleasant temperatures and lower hurricane risk.
Things to Do in Key West
1
Seven Mile Bridge
Drive across this engineering marvel connecting the Middle and Lower Keys. It offers panoramic views of the ocean.
2
Ernest Hemingway Home and Museum
Visit the historic residence of the famous author in Key West. See the descendants of his six-toed cats.
3
Mallory Square
Gather here at sunset for the nightly celebration. Enjoy street performers, local food, and the famous Key West sunset.
4
Bahia Honda State Park
Stop here for some of the best beaches in the Florida Keys. It is perfect for snorkeling and swimming.
Tags
Key Largo to Key West drive
Overseas Highway road trip
Seven Mile Bridge
Key West travel guide
Florida Keys scenic drive
Key Largo to Key West distance
best stops in Florida Keys
driving to Key West
