How far is Miami, FL from Key Biscayne, FL?
The driving distance from Miami, FL to Key Biscayne, FL is about 8.6 miles (13.8 km), with a travel time of about 00h 15m by car.
- The straight-line flight distance is about 5.9 miles (9.5 km).
- For a round trip, plan for roughly 00h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 15m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
A city in Miami-Dade County, Florida.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Miami and Key Biscayne.
Turn-by-Turn Driving Directions
Step-by-step road directions between Miami and Key Biscayne.
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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
1.2 mi · 2 min
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5
Take the exit slight right toward Rickenbacker Causeway, Key Biscayne
1013 ft · 27 sec
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6
Continue on Mary Brickell Road
129 m · 8 sec · Mary Brickell Road
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7
Continue on Southwest 26th Road
155 m · 16 sec · Southwest 26th Road
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8
Continue on Southeast 26th Road
123 m · 13 sec · Southeast 26th Road
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9
Continue on Rickenbacker Causeway
5.7 mi · 10 min · Rickenbacker Causeway
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10
Continue on Crandon Boulevard
3127 ft · 2 min · Crandon Boulevard
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11
Continue on Crandon Boulevard
103 m · 16 sec · Crandon Boulevard
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12
Arrive at your destination
0 m · 1 sec · Crandon Boulevard
Car Route Details
A richer read on the saved driving route between Miami and Key Biscayne.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Rickenbacker Causeway
Continue on Rickenbacker Causeway
5.74 mi · 00h 10m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Cloudy leaving Miami and Mostly Cloudy near Key Biscayne.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Miami to Key Biscayne?
The road trip is about 8.6 miles (13.8 km) and usually takes 00h 15m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Miami Beach is a useful midpoint, sitting about 4.3 miles from Miami and 4.3 miles from Key Biscayne.
How much longer is the road route than the straight-line distance?
The direct path is about 5.9 miles (9.5 km), while the road route adds roughly 2.7 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.24 one way or $2.49 round trip. Estimated CO2 is about 2.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Miami and Mostly Cloudy near Key Biscayne.
Stop Ideas Near Miami Beach
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Aventura Mall
Miami Beach Parking Garage
Miami City Hall
Hialeah Gardens Community Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Miami Beach.
Miami Intermodal Center
Hollywood
Fort Lauderdale
Deerfield Beach
Flight Path Map
This map shows the direct air route between Miami and Key Biscayne. Straight-line distance: 5.89 mi (9.48 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 Key Biscayne
Village in Miami-Dade County, Florida
| Population | 12,730 |
| Coordinates | 25.6937100, -80.1628200 |
| Altitude | 1 |
| Country | United States |
End: Key Biscayne (-80.16282, 25.69371)
Estimated Travel Time
Distance: 14 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 17m |
| 40 mph (64.37 km/h) | 00h 12m |
| 50 mph (80.47 km/h) | 00h 10m |
| 60 mph (96.56 km/h) | 00h 08m |
| 70 mph (112.65 km/h) | 00h 07m |
| 80 mph (129 km/h) | 00h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $1.24 | $2.49 |
| Mid-grade | $4.60 | $1.38 | $2.76 |
| Premium | $4.90 | $1.47 | $2.94 |
| Diesel | $4.35 | $1.31 | $2.61 |
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.