How far is Port Saint Lucie, FL from Rock Island, FL?
The driving distance from Port Saint Lucie, FL to Rock Island, FL is about 88.5 miles (142.4 km), with a travel time of about 01h 46m by car.
- The straight-line flight distance is about 79.4 miles (127.8 km).
- For a round trip, plan for roughly 03h 32m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 01h 46m.
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 Palm Beach County, Florida
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Driving Route Map
The map below follows the saved road route between Port Saint Lucie and Rock Island.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Saint Lucie and Rock Island.
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1
Start on Southwest Carter Avenue
66 m · 11 sec · Southwest Carter Avenue
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2
Turn right onto Southeast Airoso Boulevard
1.6 mi · 3 min · Southeast Airoso Boulevard
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3
Turn right onto Southwest Port Saint Lucie Boulevard
1.3 km · 1 min · Southwest Port Saint Lucie Boulevard
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4
Turn left onto Southwest Bayshore Boulevard
560 ft · 22 sec · Southwest Bayshore Boulevard
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5
Take the ramp straight toward Florida's Turnpike Toll
2787 ft · 1 min
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6
Keep slight left to continue on Miami, Florida's Turnpike South
2780 ft · 1 min
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7
Merge slight left onto Florida's Turnpike
79.8 mi · 1 hr 28 min · Florida's Turnpike
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8
Take the exit slight right toward SR 870: Commercial Boulevard
1 km · 2 min
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9
Keep slight left to continue on SR 870 East: Fort Lauderdale
129 m · 15 sec
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10
Merge slight right onto West Commercial Boulevard
2449 ft · 59 sec · West Commercial Boulevard
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11
Turn right onto State Road 7
1.5 mi · 3 min · State Road 7
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12
Turn left onto West Oakland Park Boulevard
1 mi · 2 min · West Oakland Park Boulevard
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13
Turn right onto Northwest 31st Avenue
2595 ft · 1 min · Northwest 31st Avenue
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14
Turn left onto Northwest 26th Street
3252 ft · 2 min · Northwest 26th Street
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15
Turn right onto Northwest 26th Avenue
1141 ft · 50 sec · Northwest 26th Avenue
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16
Arrive at your destination
0 m · 1 sec · Northwest 26th Avenue
Car Route Details
A richer read on the saved driving route between Port Saint Lucie and Rock Island.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Florida's Turnpike
Merge slight left onto Florida's Turnpike
79.8 mi · 01h 28m
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.
Sunny leaving Port Saint Lucie and Mostly Clear near Rock Island.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Saint Lucie to Rock Island?
The road trip is about 88.5 miles (142.4 km) and usually takes 01h 46m 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?
Schall Circle is a useful midpoint, sitting about 44.3 miles from Port Saint Lucie and 44.1 miles from Rock Island.
How much longer is the road route than the straight-line distance?
The direct path is about 79.4 miles (127.8 km), while the road route adds roughly 9.1 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 EST. If you want a more comfortable same-day return, try to leave by 2:58 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.90 one way or $23.81 round trip. Estimated CO2 is about 27.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Port Saint Lucie and Mostly Clear near Rock Island.
Stop Ideas Near Schall Circle
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 Schall Circle.
West Palm Beach
Delray Beach
Deerfield Beach
Fort Lauderdale
Flight Path Map
This map shows the direct air route between Port Saint Lucie and Rock Island. Straight-line distance: 79.41 mi (127.8 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 Rock Island
Rock Island is a place in Florida, United States.
| Population | 0 |
| Coordinates | 26.1550900, -80.1769900 |
| Altitude | 1 |
| Country | United States |
End: Rock Island (-80.17699, 26.15509)
Estimated Travel Time
Distance: 142 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 56m |
| 40 mph (64.37 km/h) | 02h 12m |
| 50 mph (80.47 km/h) | 01h 46m |
| 60 mph (96.56 km/h) | 01h 28m |
| 70 mph (112.65 km/h) | 01h 15m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.82 | $11.90 | $23.81 |
| Mid-grade | $4.30 | $13.42 | $26.84 |
| Premium | $4.64 | $14.49 | $28.98 |
| Diesel | $5.91 | $18.44 | $36.88 |
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 · Nov 08, 2026