How far is Jacksonville, FL from Key West, FL?
The driving distance from Jacksonville, FL to Key West, FL is about 502.6 miles (808.9 km), with a travel time of about 10h 15m by car.
- The straight-line flight distance is about 399.2 miles (642.5 km).
- For a round trip, plan for roughly 20h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 10h 15m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Unincorporated area and census-designated place in Martin County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Jacksonville and Key West.
Turn-by-Turn Driving Directions
Step-by-step road directions between Jacksonville and Key West.
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1
Start on Union Street
596 ft · 21 sec · Union Street
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2
Turn right onto Newnan Street
1965 ft · 1 min · Newnan Street
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3
Turn right onto East Forsyth Street
770 ft · 24 sec · East Forsyth Street
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4
Turn left onto Main Street
2507 ft · 1 min · Main Street
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5
Take the ramp straight toward I 95 South
1.5 km · 2 min
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6
Keep slight right to continue on I 95, US 1 South, FL 5 South: Daytona Beach, Philips Highway
1165 ft · 28 sec
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7
Keep slight left to continue on I 95 South: Daytona Beach
1093 ft · 27 sec
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8
Merge slight left
219.5 mi · 3 hr 57 min
-
9
Take the exit slight right toward FL 70: Okeechobee, Fort Pierce
2396 ft · 58 sec
-
10
Keep slight right to continue on FL 70 West: Okeechobee
150 m · 12 sec
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11
Merge slight left onto Okeechobee Road
2745 ft · 58 sec · Okeechobee Road
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12
Take the ramp left
1090 ft · 35 sec
-
13
Keep slight left to continue on Miami, Florida's Turnpike South
2588 ft · 1 min
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14
Merge slight left onto Florida's Turnpike
105.2 mi · 1 hr 56 min · Florida's Turnpike
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15
Take the exit slight right toward Florida's Turnpike Toll South, Homestead
1197 ft · 20 sec · Homestead Extension of Florida's Turnpike
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16
Keep slight left to continue on Homestead Extension of Florida's Turnpike
46.9 mi · 54 min · Homestead Extension of Florida's Turnpike
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17
Keep slight left
2930 ft · 1 min
-
18
Merge slight left onto Dixie Highway
19.2 mi · 27 min · Dixie Highway
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19
Continue on Overseas Highway
104.2 mi · 2 hr 43 min · Overseas Highway
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20
Turn right onto North Roosevelt Boulevard
2.4 mi · 6 min · North Roosevelt Boulevard
-
21
Turn left onto George Street
1845 ft · 1 min · George Street
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22
Arrive at your destination
0 m · 1 sec · George Street
Car Route Details
A richer read on the saved driving route between Jacksonville and Key West.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 95 South
Merge slight left
219 mi · 03h 57m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Jacksonville and Chance Rain Showers near Key West.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Jacksonville to Key West?
The road trip is about 502.6 miles (808.9 km) and usually takes 10h 15m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Hobe Sound is a useful midpoint, sitting about 251.8 miles from Jacksonville and 250.8 miles from Key West.
How much longer is the road route than the straight-line distance?
The direct path is about 399.2 miles (642.5 km), while the road route adds roughly 103.4 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $73.59 one way or $147.17 round trip. Estimated CO2 is about 157.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Jacksonville and Chance Rain Showers near Key West.
Stop Ideas Near Hobe Sound
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hobe Sound.
West Palm Beach
Delray Beach
Okeechobee
Deerfield Beach
Flight Path Map
This map shows the direct air route between Jacksonville and Key West. Straight-line distance: 399.22 mi (642.49 km).
#1 Jacksonville
The thirteenth most populous city in the United States and the center of the Jacksonville metropolitan area.
| Population | 920,570 |
| Coordinates | 30.3321800, -81.6556500 |
| Altitude | 5 |
| Country | United States |
#2 Key West
County seat city of Monroe County, Florida, United States; island in Florida Keys
| Population | 23,767 |
| Coordinates | 24.5552400, -81.7816300 |
| Altitude | 1 |
| Country | United States |
End: Key West (-81.78163, 24.55524)
Estimated Travel Time
Distance: 809 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 44m |
| 40 mph (64.37 km/h) | 12h 34m |
| 50 mph (80.47 km/h) | 10h 03m |
| 60 mph (96.56 km/h) | 08h 22m |
| 70 mph (112.65 km/h) | 07h 10m |
| 80 mph (129 km/h) | 06h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $73.59 | $147.17 |
| Mid-grade | $4.60 | $81.53 | $163.07 |
| Premium | $4.90 | $86.86 | $173.71 |
| Diesel | $4.35 | $77.17 | $154.34 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Florida · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.