How far is Mount Pleasant, SC from Port Royal, SC?
The driving distance from Mount Pleasant, SC to Port Royal, SC is about 79.3 miles (127.6 km), with a travel time of about 01h 53m by car.
- The straight-line flight distance is about 56.2 miles (90.4 km).
- For a round trip, plan for roughly 03h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 53m.
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.
Human settlement in Colleton County, South Carolina, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Mount Pleasant and Port Royal.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Pleasant and Port Royal.
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1
Start on the route
23 m · 8 sec
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2
Turn left onto Coleman Boulevard
1 mi · 2 min · Coleman Boulevard
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3
Continue on West Coleman Boulevard
1.1 mi · 3 min · West Coleman Boulevard
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4
Take the ramp straight toward US 17 South: Charleston
2568 ft · 1 min
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5
Merge slight right onto Arthur Ravenel Jr Bridge
3.7 mi · 6 min · Arthur Ravenel Jr Bridge
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6
Continue on Septima P. Clark Parkway
550 ft · 16 sec · Septima P. Clark Parkway
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7
Continue on Spring Street
550 ft · 14 sec · Spring Street
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8
Continue on Spring Street
1116 ft · 21 sec · Spring Street
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9
Continue straight
708 ft · 21 sec
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10
Merge slight left onto Savannah Highway
29.7 mi · 43 min · Savannah Highway
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11
Continue on Ace Basin Parkway
17.1 mi · 22 min · Ace Basin Parkway
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12
Continue on Charleston Highway
5.6 mi · 8 min · Charleston Highway
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13
Take the exit slight right
1220 ft · 33 sec
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14
Enter the roundabout and take exit 2 toward Trask Parkway
63 m · 3 sec · Trask Parkway
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15
Exit the roundabout onto Trask Parkway
12 mi · 15 min · Trask Parkway
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16
Turn right onto Parris Island Gateway
5.5 mi · 8 min · Parris Island Gateway
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17
Continue on Russell Bell Bridge
3174 ft · 1 min · Russell Bell Bridge
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18
Continue on Ribaut Road
1.1 mi · 2 min · Ribaut Road
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19
Turn right onto Paris Avenue
2052 ft · 41 sec · Paris Avenue
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20
Arrive at your destination
0 m · 1 sec · Paris Avenue
Car Route Details
A richer read on the saved driving route between Mount Pleasant and Port Royal.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Savannah Highway
Merge slight left onto Savannah Highway
29.7 mi · 00h 43m
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.
Mostly Sunny leaving Mount Pleasant and Mostly Sunny near Port Royal.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Pleasant to Port Royal?
The road trip is about 79.3 miles (127.6 km) and usually takes 01h 53m 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?
Cottageville is a useful midpoint, sitting about 39.6 miles from Mount Pleasant and 39.6 miles from Port Royal.
How much longer is the road route than the straight-line distance?
The direct path is about 56.2 miles (90.4 km), while the road route adds roughly 23.1 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 EDT. If you want a more comfortable same-day return, try to leave by 2:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.09 one way or $22.18 round trip. Estimated CO2 is about 24.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Mount Pleasant and Mostly Sunny near Port Royal.
Stop Ideas Near Cottageville
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 Cottageville.
Yemassee
Charleston, South Carolina
Denmark
Kingstree
Flight Path Map
This map shows the direct air route between Mount Pleasant and Port Royal. Straight-line distance: 56.18 mi (90.42 km).
#1 Mount Pleasant
The second most populous city in Charleston County, South Carolina.
| Population | 92,799 |
| Coordinates | 32.7940700, -79.8625900 |
| Altitude | 3 |
| Country | United States |
#2 Port Royal
Settlement in Jamaica
| Population | 14,516 |
| Coordinates | 32.3790800, -80.6926100 |
| Altitude | 7 |
| Country | United States |
End: Port Royal (-80.69261, 32.37908)
Estimated Travel Time
Distance: 128 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 38m |
| 40 mph (64.37 km/h) | 01h 58m |
| 50 mph (80.47 km/h) | 01h 35m |
| 60 mph (96.56 km/h) | 01h 19m |
| 70 mph (112.65 km/h) | 01h 07m |
| 80 mph (129 km/h) | 00h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $11.09 | $22.18 |
| Mid-grade | $4.43 | $12.40 | $24.80 |
| Premium | $4.78 | $13.38 | $26.76 |
| Diesel | $5.62 | $15.75 | $31.49 |
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 South Carolina · May 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.