How far is Port Saint Lucie, FL from Keystone Heights, FL?
The driving distance from Port Saint Lucie, FL to Keystone Heights, FL is about 226.9 miles (365.1 km), with a travel time of about 04h 29m by car.
- The straight-line flight distance is about 200.1 miles (322.1 km).
- For a round trip, plan for roughly 08h 58m 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 04h 29m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Port Saint Lucie and Keystone Heights.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Saint Lucie and Keystone Heights.
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1
Start on Southwest Carter Avenue
66 m · 15 sec · Southwest Carter Avenue
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2
Turn left onto Southeast Airoso Boulevard
913 ft · 20 sec · Southeast Airoso Boulevard
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3
Turn left onto Crosstown Parkway
4.1 mi · 8 min · Crosstown Parkway
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4
Take the ramp slight right toward I 95 North: Daytona Beach
1775 ft · 43 sec
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5
Merge slight left
153.2 mi · 2 hr 45 min
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6
Take the exit slight right toward US 1: Ormond Beach, Bunnell
1595 ft · 1 min
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7
Turn right onto US Highway 1
6.5 mi · 8 min · US Highway 1
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8
Enter the roundabout and take exit 3 toward the route
46 m · 2 sec
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9
Exit the roundabout
6 mi · 8 min
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10
Turn right
23.7 mi · 31 min
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11
Take the ramp slight right
6.9 mi · 12 min
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12
Turn left onto Reid Street
25.6 mi · 35 min · Reid Street
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13
Arrive at your destination
0 m · 1 sec · Walker Drive
Car Route Details
A richer read on the saved driving route between Port Saint Lucie and Keystone Heights.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 95 North
Merge slight left
153 mi · 02h 45m
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.
Mostly Sunny leaving Port Saint Lucie and Mostly Sunny then Chance Showers And Thunderstorms near Keystone Heights.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Saint Lucie to Keystone Heights?
The road trip is about 226.9 miles (365.1 km) and usually takes 04h 29m 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?
Mims is a useful midpoint, sitting about 113.6 miles from Port Saint Lucie and 113.3 miles from Keystone Heights.
How much longer is the road route than the straight-line distance?
The direct path is about 200.1 miles (322.1 km), while the road route adds roughly 26.8 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 8:02 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.18 one way or $66.37 round trip. Estimated CO2 is about 71.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Port Saint Lucie and Mostly Sunny then Chance Showers And Thunderstorms near Keystone Heights.
Stop Ideas Near Mims
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 Mims.
Sanford
Winter Park
Orlando Health/Amtrak
DeLand
Flight Path Map
This map shows the direct air route between Port Saint Lucie and Keystone Heights. Straight-line distance: 200.15 mi (322.11 km).
#1 Port Saint Lucie
The second most populous city in St.
| Population | 209,715 |
| Coordinates | 27.2939300, -80.3503300 |
| Altitude | 5 |
| Country | United States |
#2 Keystone Heights
City in Clay County, Florida, United States
| Population | 1,549 |
| Coordinates | 29.7860800, -82.0314900 |
| Altitude | 43 |
| Country | United States |
End: Keystone Heights (-82.03149, 29.78608)
Estimated Travel Time
Distance: 365 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 33m |
| 40 mph (64.37 km/h) | 05h 40m |
| 50 mph (80.47 km/h) | 04h 32m |
| 60 mph (96.56 km/h) | 03h 46m |
| 70 mph (112.65 km/h) | 03h 14m |
| 80 mph (129 km/h) | 02h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $33.18 | $66.37 |
| Mid-grade | $4.60 | $36.77 | $73.54 |
| Premium | $4.90 | $39.17 | $78.34 |
| Diesel | $4.35 | $34.80 | $69.60 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.