How far is Hilton Head Island, SC from Johnston, SC?
The driving distance from Hilton Head Island, SC to Johnston, SC is about 154.2 miles (248.1 km), with a travel time of about 03h 51m by car.
- The straight-line flight distance is about 128.9 miles (207.4 km).
- For a round trip, plan for roughly 07h 43m 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 51m.
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.
Town in South Carolina, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Smoke
Driving Route Map
The map below follows the saved road route between Hilton Head Island and Johnston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hilton Head Island and Johnston.
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1
Start on Allen Road
887 ft · 42 sec · Allen Road
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2
Turn left onto Marshland Road
2.2 mi · 5 min · Marshland Road
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3
Take the ramp right
2176 ft · 53 sec
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4
Merge slight left onto Cross Island Parkway
2.3 mi · 2 min · Cross Island Parkway
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5
Merge slight left onto William Hilton Parkway
3.9 mi · 4 min · William Hilton Parkway
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6
Continue on Fording Island Road
9 mi · 13 min · Fording Island Road
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7
Take the exit slight right
1444 ft · 40 sec
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8
Keep slight right
45 m · 4 sec
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9
Merge slight left onto Okatie Highway
3.9 mi · 5 min · Okatie Highway
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10
Take the exit slight left
149 m · 14 sec
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11
Continue on Lowcountry Drive
7.9 mi · 11 min · Lowcountry Drive
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12
Continue on Coosaw Scenic Drive
9.7 mi · 13 min · Coosaw Scenic Drive
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13
Turn right onto West Frontage Road
3091 ft · 1 min · West Frontage Road
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14
Turn left onto Morgandollar Road
4 mi · 7 min · Morgandollar Road
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15
At the end of the road, turn right onto Grays Highway
17.2 mi · 26 min · Grays Highway
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16
Turn right
54 m · 12 sec
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17
Turn left onto Yemassee Highway
143 m · 8 sec · Yemassee Highway
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18
Continue on Augusta Highway
1.1 mi · 2 min · Augusta Highway
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19
Continue on East Carolina Avenue
2.1 mi · 4 min · East Carolina Avenue
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20
Continue on Elm Street East
2.7 mi · 4 min · Elm Street East
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21
Continue on Augusta Highway
3.7 mi · 5 min · Augusta Highway
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22
Continue on Railroad Avenue Southeast
1.4 mi · 2 min · Railroad Avenue Southeast
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23
Continue on Augusta Highway
1.8 mi · 3 min · Augusta Highway
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24
Continue on Allendale-Hampton Highway
1.1 mi · 2 min · Allendale-Hampton Highway
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25
Continue on Allendale-Fairfax Highway
4.5 mi · 7 min · Allendale-Fairfax Highway
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26
Continue on East Railroad Avenue
1.6 km · 2 min · East Railroad Avenue
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27
Turn right onto Main Street North
1689 ft · 33 sec · Main Street North
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28
Turn left onto Pine Street
948 ft · 16 sec · Pine Street
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29
Continue on Barnwell Road
6.9 mi · 10 min · Barnwell Road
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30
Continue on Kings Avenue
8.2 mi · 12 min · Kings Avenue
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31
Turn left onto Jackson Street
1.6 mi · 3 min · Jackson Street
-
32
Turn slight left onto Dunbarton Boulevard
1151 ft · 20 sec · Dunbarton Boulevard
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33
Turn slight right onto Ellenton Street
2.3 mi · 4 min · Ellenton Street
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34
Turn left
12.1 mi · 18 min
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35
Turn right onto Tinker Creek Road
2.8 mi · 4 min · Tinker Creek Road
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36
Turn left onto Kitchings Road
1542 ft · 1 min · Kitchings Road
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37
Turn left onto Old Barnwell Road
11.8 mi · 17 min · Old Barnwell Road
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38
At the end of the road, turn left onto Charleston Highway
2.8 mi · 4 min · Charleston Highway
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39
Turn right onto Pine Log Road
609 ft · 12 sec · Pine Log Road
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40
Continue on Rudy Mason Parkway
2.8 mi · 4 min · Rudy Mason Parkway
-
41
Continue on Rutland Drive
1.6 km · 1 min · Rutland Drive
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42
Turn right onto Laurens Street Northwest
1115 ft · 19 sec · Laurens Street Northwest
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43
Continue on Edgefield Highway
8.2 mi · 12 min · Edgefield Highway
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44
Turn right onto Johnston Highway
3.8 mi · 7 min · Johnston Highway
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45
Continue on Charles E Simmons Highway
6.3 mi · 11 min · Charles E Simmons Highway
-
46
Turn right onto Lee Street
1.3 mi · 3 min · Lee Street
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47
Arrive at your destination
0 m · 1 sec · Lee Street
Car Route Details
A richer read on the saved driving route between Hilton Head Island and Johnston.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Grays Highway
At the end of the road, turn right onto Grays Highway
17.2 mi · 00h 26m
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.
Patchy Smoke leaving Hilton Head Island and Sunny near Johnston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hilton Head Island to Johnston?
The road trip is about 154.2 miles (248.1 km) and usually takes 03h 51m 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?
Fairfax is a useful midpoint, sitting about 77.2 miles from Hilton Head Island and 77.1 miles from Johnston.
How much longer is the road route than the straight-line distance?
The direct path is about 128.9 miles (207.4 km), while the road route adds roughly 25.3 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 9:16 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.55 one way or $43.10 round trip. Estimated CO2 is about 48.3 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Smoke around Hilton Head Island and Sunny near Johnston.
Stop Ideas Near Fairfax
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 Fairfax.
Denmark
Yemassee
Savannah
Charleston, South Carolina
Flight Path Map
This map shows the direct air route between Hilton Head Island and Johnston. Straight-line distance: 128.85 mi (207.37 km).
#1 Hilton Head Island
Resort town in South Carolina, USA
| Population | 39,619 |
| Coordinates | 32.1938200, -80.7381600 |
| Altitude | 3 |
| Country | United States |
#2 Johnston
Town in South Carolina, United States
| Population | 2,395 |
| Coordinates | 33.8320800, -81.8009400 |
| Altitude | 202 |
| Country | United States |
End: Johnston (-81.80094, 33.83208)
Estimated Travel Time
Distance: 248 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 08m |
| 40 mph (64.37 km/h) | 03h 51m |
| 50 mph (80.47 km/h) | 03h 05m |
| 60 mph (96.56 km/h) | 02h 34m |
| 70 mph (112.65 km/h) | 02h 12m |
| 80 mph (129 km/h) | 01h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $21.55 | $43.10 |
| Mid-grade | $4.43 | $24.09 | $48.19 |
| Premium | $4.78 | $25.99 | $51.98 |
| Diesel | $5.62 | $30.59 | $61.19 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.