How far is Tallahassee, FL from Key West, FL?
The driving distance from Tallahassee, FL to Key West, FL is about 637.8 miles (1026.4 km), with a travel time of about 12h 40m by car.
- The straight-line flight distance is about 434.3 miles (699 km).
- For a round trip, plan for roughly 25h 20m 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 12h 40m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Indian River County, Florida, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Tallahassee and Key West.
Turn-by-Turn Driving Directions
Step-by-step road directions between Tallahassee and Key West.
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1
Start on South Monroe Street
55 m · 8 sec · South Monroe Street
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2
Turn right onto East Pensacola Street
1428 ft · 47 sec · East Pensacola Street
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3
Turn left onto South Franklin Boulevard
2557 ft · 1 min · South Franklin Boulevard
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4
Turn right onto East Tennessee Street
3230 ft · 1 min · East Tennessee Street
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5
Continue on Mahan Drive
6.5 mi · 12 min · Mahan Drive
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6
Take the ramp slight right toward I 10 East: Lake City
1.1 km · 1 min
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7
Merge slight left
86.9 mi · 1 hr 33 min
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8
Take the exit slight right toward I-75 South: Tampa
1959 ft · 37 sec
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9
Merge slight left
107.2 mi · 1 hr 55 min
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10
Take the exit slight left toward Florida's Turnpike South, Orlando
261 mi · 4 hr 43 min · Florida's Turnpike
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11
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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12
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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13
Keep slight left
2930 ft · 1 min
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14
Merge slight left onto Dixie Highway
19.2 mi · 27 min · Dixie Highway
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15
Continue on Overseas Highway
104.2 mi · 2 hr 43 min · Overseas Highway
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16
Turn right onto North Roosevelt Boulevard
2.4 mi · 6 min · North Roosevelt Boulevard
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17
Turn left onto George Street
1845 ft · 1 min · George Street
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18
Arrive at your destination
0 m · 1 sec · George Street
Car Route Details
A richer read on the saved driving route between Tallahassee and Key West.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Florida's Turnpike
Take the exit slight left toward Florida's Turnpike South, Orlando
261 mi · 04h 43m
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.
Chance Showers And Thunderstorms leaving Tallahassee and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Key West.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Tallahassee to Key West?
The road trip is about 637.8 miles (1026.4 km) and usually takes 12h 40m 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?
Fellsmere is a useful midpoint, sitting about 319.2 miles from Tallahassee and 318.6 miles from Key West.
How much longer is the road route than the straight-line distance?
The direct path is about 434.3 miles (699 km), while the road route adds roughly 203.5 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 $93.33 one way or $186.66 round trip. Estimated CO2 is about 200 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Tallahassee and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Key West.
Stop Ideas Near Fellsmere
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 Fellsmere.
Okeechobee
Sebring
Kissimmee
Orlando Health/Amtrak
Flight Path Map
This map shows the direct air route between Tallahassee and Key West. Straight-line distance: 434.33 mi (698.99 km).
#1 Tallahassee
The capital of Florida.
| Population | 196,326 |
| Coordinates | 30.4382600, -84.2807300 |
| Altitude | 62 |
| 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: 1026 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 21h 15m |
| 40 mph (64.37 km/h) | 15h 56m |
| 50 mph (80.47 km/h) | 12h 45m |
| 60 mph (96.56 km/h) | 10h 37m |
| 70 mph (112.65 km/h) | 09h 06m |
| 80 mph (129 km/h) | 07h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $93.33 | $186.66 |
| Mid-grade | $4.60 | $103.41 | $206.82 |
| Premium | $4.90 | $110.16 | $220.32 |
| Diesel | $4.35 | $97.87 | $195.75 |
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 · May 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.