DriveWindow route answer

How long is the drive from Miami to Key West?

The drive is typically 3.5 hours and covers 165 miles via Overseas Highway. Allow extra time when coastal rain or strong crosswinds affects the corridor.

Route facts

Miami → Key West

Distance
165 miles
Typical drive
3.5 hours
Planning baseline
Morning
Main weather risks
coastal rain · strong crosswinds · heavy tropical rain

Updated: US National Weather ServiceEnvironment and Climate Change Canada

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Time and distance

Why the trip can take longer than the baseline

3.5 hours is a typical planning estimate for the 165 miles drive. It does not include fuel, charging, food, border, park-entry, or weather-related stops.

Build extra time into the plan when coastal rain reduces visibility or when strong crosswinds affects a comfortable driving speed.

What to check before leaving

Open water crossings make wind, tropical rain, and visibility especially relevant. Key weather factors: coastal rain, strong crosswinds, heavy tropical rain.

  • coastal rain
  • strong crosswinds
  • heavy tropical rain

Sources and methodology

How this answer is produced

Drive time and distance are planning baselines, not live traffic estimates. Website guidance combines route-specific research, representative corridor points, and official source links; the app completes the forecast for your date and departure time.

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