How far is Harlem, FL from Port Saint John, FL?
The driving distance from Harlem, FL to Port Saint John, FL is about 169.4 miles (272.6 km), with a travel time of about 03h 31m by car.
- The straight-line flight distance is about 120.6 miles (194.1 km).
- For a round trip, plan for roughly 07h 02m 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 03h 31m.
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.
The most populous city in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Harlem and Port Saint John.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harlem and Port Saint John.
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1
Start on 10th Street
27 m · 5 sec · 10th Street
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2
Turn right onto Harlem Academy Avenue
2462 ft · 1 min · Harlem Academy Avenue
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3
At the end of the road, turn right onto 13th Street
630 ft · 23 sec · 13th Street
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4
At the end of the road, turn left onto Lewis Boulevard
1.1 mi · 3 min · Lewis Boulevard
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5
Take the ramp slight left
779 ft · 22 sec
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6
Merge slight right
4.9 mi · 6 min
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7
Continue straight
10.4 mi · 14 min
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8
Turn right onto Industrial Drive
34.4 mi · 46 min · Industrial Drive
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9
Turn left onto Parrott Avenue
3.1 mi · 6 min · Parrott Avenue
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10
Turn right onto Park Street
31.3 mi · 39 min · Park Street
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11
Take the exit slight right toward I 95
969 ft · 24 sec
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12
Keep slight left to continue on I 95 North: Daytona Beach
2718 ft · 1 min
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13
Merge slight left
78.9 mi · 1 hr 25 min
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14
Take the exit slight right toward Port Saint John
2327 ft · 36 sec
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15
Keep slight right to continue on Port Saint John Parkway East
1251 ft · 31 sec
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16
Turn straight onto Port Saint John Parkway
3138 ft · 1 min · Port Saint John Parkway
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17
At the end of the road, turn left onto Grissom Parkway
1 mi · 2 min · Grissom Parkway
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18
Turn right onto Fay Boulevard
1.1 mi · 3 min · Fay Boulevard
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19
Turn left onto Miraflores Avenue
1648 ft · 1 min · Miraflores Avenue
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20
At the end of the road, turn left onto Delespine Road
84 m · 15 sec · Delespine Road
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21
Turn right onto Bermuda Avenue
84 m · 12 sec · Bermuda Avenue
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22
Arrive at your destination
0 m · 1 sec · Bermuda Avenue
Car Route Details
A richer read on the saved driving route between Harlem and Port Saint John.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 95 North
Merge slight left
78.9 mi · 01h 25m
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.
Sunny then Chance Showers And Thunderstorms leaving Harlem and Mostly Sunny then Chance Showers And Thunderstorms near Port Saint John.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harlem to Port Saint John?
The road trip is about 169.4 miles (272.6 km) and usually takes 03h 31m 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?
Fort Pierce is a useful midpoint, sitting about 84.8 miles from Harlem and 84.6 miles from Port Saint John.
How much longer is the road route than the straight-line distance?
The direct path is about 120.6 miles (194.1 km), while the road route adds roughly 48.8 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 9:58 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.81 one way or $49.61 round trip. Estimated CO2 is about 53.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny then Chance Showers And Thunderstorms around Harlem and Mostly Sunny then Chance Showers And Thunderstorms near Port Saint John.
Stop Ideas Near Fort Pierce
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 Fort Pierce.
Okeechobee
West Palm Beach
Sebring
Delray Beach
Flight Path Map
This map shows the direct air route between Harlem and Port Saint John. Straight-line distance: 120.59 mi (194.07 km).
#1 Harlem
A census-designated place in Palm Beach County, Florida.
| Population | 2,705 |
| Coordinates | 26.7375700, -80.9509000 |
| Altitude | 6 |
| Country | United States |
#2 Port Saint John
City in South Africa
| Population | 12,267 |
| Coordinates | 28.4769500, -80.7886700 |
| Altitude | 8 |
| Country | United States |
End: Port Saint John (-80.78867, 28.47695)
Estimated Travel Time
Distance: 273 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 38m |
| 40 mph (64.37 km/h) | 04h 14m |
| 50 mph (80.47 km/h) | 03h 23m |
| 60 mph (96.56 km/h) | 02h 49m |
| 70 mph (112.65 km/h) | 02h 25m |
| 80 mph (129 km/h) | 02h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $24.81 | $49.61 |
| Mid-grade | $4.60 | $27.48 | $54.97 |
| Premium | $4.90 | $29.28 | $58.56 |
| Diesel | $4.35 | $26.01 | $52.03 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.