How far is Brent, FL from Key Biscayne, FL?
The driving distance from Brent, FL to Key Biscayne, FL is about 677.5 miles (1090.3 km), with a travel time of about 12h 22m by car.
- The straight-line flight distance is about 542.7 miles (873.4 km).
- For a round trip, plan for roughly 24h 44m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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 22m.
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.
The third most populous city in Florida.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Brent and Key Biscayne.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brent and Key Biscayne.
-
1
Start on East Brent Lane
701 ft · 26 sec · East Brent Lane
-
2
Continue on Brent Lane
2372 ft · 1 min · Brent Lane
-
3
Turn left
1811 ft · 37 sec
-
4
Keep slight left to continue on I 110 North
2883 ft · 55 sec
-
5
Merge slight left onto Reubin O'Donovan Askew Parkway
1.4 km · 1 min · Reubin O'Donovan Askew Parkway
-
6
Keep slight right to continue on I 10 East, FL 291: Tallahassee, Davis Highway
1328 ft · 28 sec
-
7
Keep slight left to continue on I 10 East: Tallahassee
1.1 km · 1 min
-
8
Merge slight left
282.9 mi · 5 hr 3 min
-
9
Take the exit slight right toward I-75 South: Tampa
1959 ft · 37 sec
-
10
Merge slight left
107.2 mi · 1 hr 55 min
-
11
Take the exit slight left toward Florida's Turnpike South, Orlando
264.2 mi · 4 hr 47 min · Florida's Turnpike
-
12
Take the exit slight right toward I 95, US 441, SR 826 West
1760 ft · 43 sec
-
13
Keep slight left to continue on I 95, US 441
1.3 km · 2 min
-
14
Keep slight left to continue on I 95 South
752 ft · 18 sec
-
15
Merge slight left
11.4 mi · 15 min
-
16
Take the exit slight right toward Rickenbacker Causeway, Key Biscayne
1013 ft · 27 sec
-
17
Continue on Mary Brickell Road
129 m · 8 sec · Mary Brickell Road
-
18
Continue on Southwest 26th Road
155 m · 16 sec · Southwest 26th Road
-
19
Continue on Southeast 26th Road
123 m · 13 sec · Southeast 26th Road
-
20
Continue on Rickenbacker Causeway
5.7 mi · 10 min · Rickenbacker Causeway
-
21
Continue on Crandon Boulevard
3127 ft · 2 min · Crandon Boulevard
-
22
Continue on Crandon Boulevard
103 m · 16 sec · Crandon Boulevard
-
23
Arrive at your destination
0 m · 1 sec · Crandon Boulevard
Car Route Details
A richer read on the saved driving route between Brent and Key Biscayne.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 10 East
Merge slight left
283 mi · 05h 03m
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 Brent 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 Brent to Key Biscayne?
The road trip is about 677.5 miles (1090.3 km) and usually takes 12h 22m 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?
Gainesville is a useful midpoint, sitting about 338.9 miles from Brent and 338.6 miles from Key Biscayne.
How much longer is the road route than the straight-line distance?
The direct path is about 542.7 miles (873.4 km), while the road route adds roughly 134.8 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 CDT. 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 $99.18 one way or $198.36 round trip. Estimated CO2 is about 212.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Brent and Key Biscayne, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Brent and Mostly Cloudy near Key Biscayne.
Stop Ideas Near Gainesville
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 Gainesville.
Gainesville, Florida
Waldo, Florida
Ocala, Florida
Palatka
Flight Path Map
This map shows the direct air route between Brent and Key Biscayne. Straight-line distance: 542.7 mi (873.39 km).
#1 Brent
A city located in Pasco County, Florida.
| Population | 21,800 |
| Coordinates | 30.4688100, -87.2360800 |
| Altitude | 34 |
| 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: 1090 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 22h 34m |
| 40 mph (64.37 km/h) | 16h 56m |
| 50 mph (80.47 km/h) | 13h 32m |
| 60 mph (96.56 km/h) | 11h 17m |
| 70 mph (112.65 km/h) | 09h 40m |
| 80 mph (129 km/h) | 08h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $99.18 | $198.36 |
| Mid-grade | $4.60 | $109.89 | $219.78 |
| Premium | $4.90 | $117.06 | $234.13 |
| Diesel | $4.35 | $104.01 | $208.02 |
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.