How far is Miami, FL from Marathon, FL?
The driving distance from Miami, FL to Marathon, FL is about 112.4 miles (180.9 km), with a travel time of about 02h 47m by car.
- The straight-line flight distance is about 92.3 miles (148.5 km).
- For a round trip, plan for roughly 05h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 47m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Miami and Marathon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Miami and Marathon.
-
1
Start on North Miami Avenue
152 m · 17 sec · North Miami Avenue
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2
Take the ramp slight right toward I 95
144 m · 11 sec
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3
Keep slight left to continue on I 95 South
1794 ft · 37 sec
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4
Merge slight right
3.6 mi · 6 min
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5
Continue on Dixie Highway
1.4 km · 2 min · Dixie Highway
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6
Continue on South Dixie Highway
4.3 mi · 8 min · South Dixie Highway
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7
Keep slight right to continue on Snapper Creek Expressway
3.3 mi · 5 min · Snapper Creek Expressway
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8
Merge slight left onto Don Shula Expressway
4.1 mi · 5 min · Don Shula Expressway
-
9
Merge slight right onto Homestead Extension of Florida's Turnpike
16.7 mi · 20 min · Homestead Extension of Florida's Turnpike
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10
Keep slight left
2930 ft · 1 min
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11
Merge slight left onto Dixie Highway
19.2 mi · 27 min · Dixie Highway
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12
Continue on Overseas Highway
59.1 mi · 1 hr 32 min · Overseas Highway
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13
Turn right onto 39th Street Gulf
546 ft · 30 sec · 39th Street Gulf
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14
Turn left onto Louisa Street
121 m · 17 sec · Louisa Street
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15
Arrive at your destination
0 m · 1 sec · Louisa Street
Car Route Details
A richer read on the saved driving route between Miami and Marathon.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Overseas Highway
Continue on Overseas Highway
59.1 mi · 01h 32m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Cloudy leaving Miami and Slight Chance Rain Showers near Marathon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Miami to Marathon?
The road trip is about 112.4 miles (180.9 km) and usually takes 02h 47m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Key Largo is a useful midpoint, sitting about 56.3 miles from Miami and 56.2 miles from Marathon.
How much longer is the road route than the straight-line distance?
The direct path is about 92.3 miles (148.5 km), while the road route adds roughly 20.1 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 12:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.47 one way or $32.94 round trip. Estimated CO2 is about 35.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Miami and Slight Chance Rain Showers near Marathon.
Stop Ideas Near Key Largo
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 Key Largo.
Miami Intermodal Center
Hollywood
Fort Lauderdale
Flight Path Map
This map shows the direct air route between Miami and Marathon. Straight-line distance: 92.25 mi (148.46 km).
#1 Miami
The most populous city in Florida, Miami is a major center for tourism, finance, and culture.
| Population | 471,525 |
| Coordinates | 25.7742700, -80.1936600 |
| Altitude | 2 |
| Country | United States |
#2 Marathon
City in Monroe County, Florida, United States of America
| Population | 8,984 |
| Coordinates | 24.7137500, -81.0903500 |
| Altitude | 1 |
| Country | United States |
End: Marathon (-81.09035, 24.71375)
Estimated Travel Time
Distance: 181 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 44m |
| 40 mph (64.37 km/h) | 02h 48m |
| 50 mph (80.47 km/h) | 02h 14m |
| 60 mph (96.56 km/h) | 01h 52m |
| 70 mph (112.65 km/h) | 01h 36m |
| 80 mph (129 km/h) | 01h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $16.47 | $32.94 |
| Mid-grade | $4.60 | $18.25 | $36.49 |
| Premium | $4.90 | $19.44 | $38.87 |
| Diesel | $4.35 | $17.27 | $34.54 |
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.