How far is Harlem, FL from Key Largo, FL?
The driving distance from Harlem, FL to Key Largo, FL is about 140.8 miles (226.6 km), with a travel time of about 03h 03m by car.
- The straight-line flight distance is about 118.3 miles (190.4 km).
- For a round trip, plan for roughly 06h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 03m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Census-designated place in Miami-Dade County, Florida
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Harlem and Key Largo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harlem and Key Largo.
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1
Start on 10th Street
27 m · 8 sec · 10th Street
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2
Turn left onto Harlem Academy Avenue
2231 ft · 1 min · Harlem Academy Avenue
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3
At the end of the road, turn left onto 7th Street
782 ft · 22 sec · 7th Street
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4
Continue on Georgia Avenue
2321 ft · 1 min · Georgia Avenue
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5
Turn left onto South WC Owen Avenue
43 m · 6 sec · South WC Owen Avenue
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6
Turn right onto Sonora Avenue
1.4 km · 2 min · Sonora Avenue
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7
Turn left onto Francisco Street
1.6 km · 2 min · Francisco Street
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8
Turn right onto Sugarland Highway
14.7 mi · 18 min · Sugarland Highway
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9
Continue straight
40.1 mi · 48 min
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10
Continue straight
10.4 mi · 13 min
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11
Keep slight right
8.6 mi · 11 min
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12
Take the exit right toward Florida's Turnpike South: Homestead, Key West
1324 ft · 32 sec
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13
Merge slight left onto Homestead Extension of Florida's Turnpike
34.5 mi · 41 min · Homestead Extension of Florida's Turnpike
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14
Keep slight left
2930 ft · 1 min
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15
Merge slight left onto Dixie Highway
19.2 mi · 27 min · Dixie Highway
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16
Continue on Overseas Highway
9.3 mi · 16 min · Overseas Highway
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17
Continue on Overseas Highway
138 m · 28 sec · Overseas Highway
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18
Turn right onto Harbor Drive
94 m · 14 sec · Harbor Drive
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19
Arrive at your destination
0 m · 1 sec · Harbor Drive
Car Route Details
A richer read on the saved driving route between Harlem and Key Largo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Sugarland Highway
Continue straight
40.1 mi · 00h 48m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny leaving Harlem and Slight Chance Rain Showers near Key Largo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harlem to Key Largo?
The road trip is about 140.8 miles (226.6 km) and usually takes 03h 03m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Palm Springs North is a useful midpoint, sitting about 70.6 miles from Harlem and 70.3 miles from Key Largo.
How much longer is the road route than the straight-line distance?
The direct path is about 118.3 miles (190.4 km), while the road route adds roughly 22.5 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:54 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.62 one way or $41.23 round trip. Estimated CO2 is about 44.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Harlem and Slight Chance Rain Showers near Key Largo.
Stop Ideas Near Palm Springs North
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 Palm Springs North.
Miami Intermodal Center
Hollywood
Fort Lauderdale
Deerfield Beach
Flight Path Map
This map shows the direct air route between Harlem and Key Largo. Straight-line distance: 118.29 mi (190.37 km).
#1 Harlem
A census-designated place in Palm Beach County, Florida.
| Population | 2,705 |
| Coordinates | 26.7375700, -80.9509000 |
| Altitude | 6 |
| Country | United States |
#2 Key Largo
Census designated place in Florida, United States
| Population | 10,433 |
| Coordinates | 25.0865200, -80.4472800 |
| Altitude | 2 |
| Country | United States |
End: Key Largo (-80.44728, 25.08652)
Estimated Travel Time
Distance: 227 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 41m |
| 40 mph (64.37 km/h) | 03h 31m |
| 50 mph (80.47 km/h) | 02h 48m |
| 60 mph (96.56 km/h) | 02h 20m |
| 70 mph (112.65 km/h) | 02h 00m |
| 80 mph (129 km/h) | 01h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $20.62 | $41.23 |
| Mid-grade | $4.60 | $22.84 | $45.68 |
| Premium | $4.90 | $24.33 | $48.67 |
| Diesel | $4.35 | $21.62 | $43.24 |
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.