How far is Myrtle Beach, SC from Port Royal, SC?

The driving distance from Myrtle Beach, SC to Port Royal, SC is about 170.4 miles (274.2 km), with a travel time of about 03h 54m by car.

  • The straight-line flight distance is about 138.3 miles (222.6 km).
  • For a round trip, plan for roughly 07h 49m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
170.39 mi
03h 54m
Flight
138.32 mi
222.61 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Myrtle Beach.

Flight Distance

Direct air line
138.32 mi
Kilometers
222.61 km
Flight Time
00h 16m

Driving Distance

Road route
170.39 mi
Kilometers
274.22 km
Drive Time
03h 54m

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 54m.

Arrival Snapshot
Arrive in Port Royal
Sun, May 17, 3:56 AM EDT
Return by in Myrtle Beach
Sun, May 17, 7:50 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Myrtle Beach
2026-05-17T00:01
Arrive Port Royal
Sun, May 17, 3:56 AM EDT
Route Timing
03h 54m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:55 AM to 11:55 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:10 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Myrtle Beach
9:00 PM EDT
Early departure recommended

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.

Mid-route stop
Isle of Palms
SC

City in Charleston County, South Carolina, United States

From Myrtle Beach
85.2 mi
01h 57m
To Port Royal
85.2 mi
01h 57m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Myrtle Beach Weather
SC
Live fallback forecast
77°F
Sunday
Using Forestbrook as the closest live forecast in the Horry County weather hub.

Mostly Sunny

Starts
Sun, May 17 6:00 AM EDT
Wind
6 to 14 mph S
Destination
79°F
Sunday

Mostly Sunny

Starts
Sun, May 17 6:00 AM EDT
Wind
3 to 12 mph SE

Driving Route Map

The map below follows the saved road route between Myrtle Beach and Port Royal.

Turn-by-Turn Driving Directions

Step-by-step road directions between Myrtle Beach and Port Royal.

  1. 1

    Start on the route

    21 m · 10 sec

  2. 2

    Turn left

    49 m · 14 sec

  3. 3

    At the end of the road, turn right onto North Kings Highway

    609 ft · 20 sec · North Kings Highway

  4. 4

    Turn left onto 6th Avenue North

    149 m · 22 sec · 6th Avenue North

  5. 5

    Continue on 6th Avenue North

    889 ft · 46 sec · 6th Avenue North

  6. 6

    At the end of the road, turn right onto Alder Street

    47 m · 7 sec · Alder Street

  7. 7

    Turn left

    1.9 mi · 3 min

  8. 8

    Take the exit slight right toward US 17 South: Georgetown

    1348 ft · 33 sec

  9. 9

    Merge slight left onto Highway 17

    3.7 mi · 4 min · Highway 17

  10. 10

    Continue on US Highway 17 Bypass South

    1.3 mi · 2 min · US Highway 17 Bypass South

  11. 11

    Continue on Highway 17

    10.7 mi · 13 min · Highway 17

  12. 12

    Continue on Ocean Highway

    17.4 mi · 25 min · Ocean Highway

  13. 13

    Continue on L. H. Siau Bridge

    1340 ft · 25 sec · L. H. Siau Bridge

  14. 14

    Continue on Church Street

    1.4 mi · 2 min · Church Street

  15. 15

    Turn left onto North Fraser Street

    56 mi · 1 hr 14 min · North Fraser Street

  16. 16

    Continue on North Highway 17

    4.2 mi · 7 min · North Highway 17

  17. 17

    Continue on Septima P. Clark Parkway

    550 ft · 16 sec · Septima P. Clark Parkway

  18. 18

    Continue on Spring Street

    550 ft · 14 sec · Spring Street

  19. 19

    Continue on Spring Street

    1116 ft · 21 sec · Spring Street

  20. 20

    Continue straight

    708 ft · 21 sec

  21. 21

    Merge slight left onto Savannah Highway

    29.7 mi · 43 min · Savannah Highway

  22. 22

    Continue on Ace Basin Parkway

    17.1 mi · 22 min · Ace Basin Parkway

  23. 23

    Continue on Charleston Highway

    5.6 mi · 8 min · Charleston Highway

  24. 24

    Take the exit slight right

    1220 ft · 33 sec

  25. 25

    Enter the roundabout and take exit 2 toward Trask Parkway

    63 m · 3 sec · Trask Parkway

  26. 26

    Exit the roundabout onto Trask Parkway

    12 mi · 15 min · Trask Parkway

  27. 27

    Turn right onto Parris Island Gateway

    5.5 mi · 8 min · Parris Island Gateway

  28. 28

    Continue on Russell Bell Bridge

    3174 ft · 1 min · Russell Bell Bridge

  29. 29

    Continue on Ribaut Road

    1.1 mi · 2 min · Ribaut Road

  30. 30

    Turn right onto Paris Avenue

    2052 ft · 41 sec · Paris Avenue

  31. 31

    Arrive at your destination

    0 m · 1 sec · Paris Avenue

Car Route Details

A richer read on the saved driving route between Myrtle Beach and Port Royal.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
31 steps
10 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
18.2 / 100 mi
Decision points by distance
Main Roads
North Fraser Street
56 mi · 33%
Savannah Highway
29.7 mi · 17%
Ocean Highway
17.4 mi · 10%
Ace Basin Parkway
17.1 mi · 10%
Highway 17
14.4 mi · 8%
Trask Parkway
12 mi · 7%
Longest Stretch

North Fraser Street

Turn left onto North Fraser Street

56 mi · 01h 14m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 54m
Long day trip
Same-Day Return
07h 50m
Round-trip wheel time
Road vs Air
+32.1 mi
138.3 mi direct line
Halfway Stop
Isle of Palms
01h 57m from Myrtle Beach
Leave By
9:10 AM EDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Myrtle Beach 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 Myrtle Beach to Port Royal?

The road trip is about 170.4 miles (274.2 km) and usually takes 03h 54m 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?

Isle of Palms is a useful midpoint, sitting about 85.2 miles from Myrtle Beach and 85.2 miles from Port Royal.

How much longer is the road route than the straight-line distance?

The direct path is about 138.3 miles (222.6 km), while the road route adds roughly 32.1 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 9:10 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.81 one way or $47.61 round trip. Estimated CO2 is about 53.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Myrtle Beach and Mostly Sunny near Port Royal.

Stop Ideas Near Isle of Palms

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Isle of Palms and the surrounding midpoint area.
Historic Charleston City Market
Scenic stop 10.5 mi away

Historic Charleston City Market

Charleston , SC
188 Meeting St, Charleston, SC 29401, United States
Rating 4.5/5 18,143 reviews Tourist attraction,Historical landmark,Market
City of North Charleston City Hall
Meeting point 13.3 mi away

City of North Charleston City Hall

North Charleston , SC
2500 City Hall Ln, North Charleston, SC 29406
Rating 4.3/5 44 reviews City Hall,City government office
North Charleston Police Department
Nearby stop 13.3 mi away

North Charleston Police Department

North Charleston , SC
2500 City Hall Ln, North Charleston, SC 29418
Rating 3.0/5 47 reviews Police department
Charleston County Parking Garage
Scenic stop 10.7 mi away

Charleston County Parking Garage

Charleston , SC
85 Queen St, Charleston, SC 29401
Rating 4.3/5 78 reviews Parking garage

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Isle of Palms.

RAIL

Charleston, South Carolina

21 mi away
4565 Gaynor Avenue
RAIL

Kingstree

98 mi away
101 East Main St.
RAIL

Yemassee

99 mi away
9 Main Street

Flight Path Map

This map shows the direct air route between Myrtle Beach and Port Royal. Straight-line distance: 138.32 mi (222.61 km).

Myrtle Beach

#1 Myrtle Beach

Coastal city in South Carolina, United States

Population35,555
Coordinates33.6890600, -78.8866900
Altitude8
CountryUnited States
Port Royal

#2 Port Royal

Settlement in Jamaica

Population14,516
Coordinates32.3790800, -80.6926100
Altitude7
CountryUnited States
Start: Myrtle Beach (-78.88669, 33.68906)
End: Port Royal (-80.69261, 32.37908)

Estimated Travel Time

Distance: 274 km by road

SpeedTime
30 mph (48.3 km/h)05h 40m
40 mph (64.37 km/h)04h 15m
50 mph (80.47 km/h)03h 24m
60 mph (96.56 km/h)02h 50m
70 mph (112.65 km/h)02h 26m
80 mph (129 km/h)02h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.01 gal
22.76 L · about $23.81
Round trip
$47.61
12.02 gal · 45.52 L
Estimated CO2
53.4 kg one way
Round trip: 106.8 kg / 235 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $23.81 $47.61
Mid-grade $4.43 $26.62 $53.24
Premium $4.78 $28.72 $57.43
Diesel $5.62 $33.80 $67.60

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 South Carolina · May 17, 2026

There is no time difference between Myrtle Beach and Port Royal. The current time is 00:01:32.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.