Origin
Hilton Head Island, SC
Night in Hilton Head Island on Sunday
Local time
10:14 PM
EDT
Current temp
82°F
Unavailable
Live forecast
Trip from Hilton Head Island, SC to Union, SC
Drive Time
4h 21m
Distance
215.1 mi
346 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$34
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
4h 8m
★
6 AM
4h 21m
8 AM
4h 48m
10 AM
4h 30m
12 PM
4h 28m
3 PM
4h 32m
5 PM
4h 46m
8 PM
4h 13m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Hilton Head Island, SC
Scott Platt
Union, SC
Sebastián Casimiro
Trip Overview
The drive from Hilton Head Island, SC to Union, SC covers 215.1 miles and takes about 4h 21m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Marshland Road, Cross Island Parkway, William Hilton Parkway for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $34.42 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
107.6 miles from Hilton Head Island, SC
A natural place for your longest stop of the day , about 2h 10m into the drive .
Drive Character
Expect a 4h 21m drive with frequent turns across 215.1 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 38 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Marshland Road is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Route Complexity
3/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 4h 21m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Hilton Head Island, SC to Union, SC is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Marshland Road | Unavailable | Refreshing |
| Cross Island Parkway | Unavailable | Refreshing |
| William Hilton Parkway | Unavailable | Refreshing |
| Fording Island Road | Unavailable | Refreshing |
| Okatie Highway | Unavailable | Refreshing |
| Lowcountry Drive | Unavailable | Refreshing |
| Coosaw Scenic Drive | Unavailable | Refreshing |
| I 95 North | Unavailable | Refreshing |
Per-road distance and duration are being refreshed from OSRM for this route.
Longest stretch:
Marshland Road
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hilton Head Island, SC and Union, SC.
1
Start on Allen Road
0.2 mi
·
42 sec
·
Allen Road
2
Turn left onto Marshland Road
2.2 mi
·
5 min
·
Marshland Road
3
Take the ramp right
0.4 mi
·
53 sec
4
Merge slight left onto Cross Island Parkway
2.3 mi
·
2 min
·
Cross Island Parkway
5
Merge slight left onto William Hilton Parkway
3.9 mi
·
4 min
·
William Hilton Parkway
6
Continue on Fording Island Road
9.0 mi
·
13 min
·
Fording Island Road
7
Take the exit slight right
0.3 mi
·
40 sec
8
Keep slight right
148 ft
·
4 sec
9
Merge slight left onto Okatie Highway
3.9 mi
·
4 min
·
Okatie Highway
10
Take the exit slight left
489 ft
·
14 sec
11
Continue on Lowcountry Drive
7.9 mi
·
10 min
·
Lowcountry Drive
12
Continue on Coosaw Scenic Drive
9.4 mi
·
12 min
·
Coosaw Scenic Drive
13
Take the ramp slight right toward I 95 North, US 17 North: Florence
0.3 mi
·
35 sec
·
I 95 North, US 17 North: Florence
14
Merge slight left
93 mi
·
1 hr 39 min
15
Take the exit slight right toward US 521: Alcolu, Sumter
0.3 mi
·
41 sec
·
US 521: Alcolu, Sumter
16
Keep slight left to continue on US 521 North: Alcolu, Sumter
289 ft
·
7 sec
·
US 521 North: Alcolu, Sumter
17
Turn left
12 mi
·
14 min
18
Turn left onto South Guignard Parkway
1.1 mi
·
1 min
·
South Guignard Parkway
19
Continue on South Guignard Drive
3.6 mi
·
4 min
·
South Guignard Drive
20
Continue on Bultman Drive
0.7 mi
·
1 min
·
Bultman Drive
21
Turn left onto Broad Street
0.8 mi
·
1 min
·
Broad Street
22
Turn slight right onto Camden Highway
1.9 mi
·
2 min
·
Camden Highway
23
Continue on Thomas Sumter Highway
7.6 mi
·
8 min
·
Thomas Sumter Highway
24
Continue on Camden Highway
6.2 mi
·
7 min
·
Camden Highway
25
Continue on Sumter Highway
8.4 mi
·
9 min
·
Sumter Highway
26
Continue on Broad Street
4.2 mi
·
8 min
·
Broad Street
27
Continue on Kershaw Highway
14 mi
·
16 min
·
Kershaw Highway
28
Continue on Kershaw Camden Highway
2.7 mi
·
3 min
·
Kershaw Camden Highway
29
Continue on South Hampton Street
0.7 mi
·
48 sec
·
South Hampton Street
30
Turn left onto South Matson Street
1.5 mi
·
1 min
·
South Matson Street
31
At the end of the road, turn left onto Kershaw Camden Highway
4.8 mi
·
5 min
·
Kershaw Camden Highway
32
Continue on Spring Street
0.8 mi
·
56 sec
·
Spring Street
33
Turn right onto Main Street
1.0 mi
·
1 min
·
Main Street
34
Continue on Kershaw Camden Highway
1.4 mi
·
1 min
·
Kershaw Camden Highway
35
Turn slight right onto Rocky River Road
7.7 mi
·
13 min
·
Rocky River Road
36
Enter the roundabout and take exit 3 toward the route
197 ft
·
3 sec
·
the route
37
Exit the roundabout
26 ft
·
1 sec
38
Arrive at your destination
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 107.6 miles from Hilton Head Island, SC, or about 2h 10m into the drive.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 37m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 107.6 miles or 2h 10m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 34m
Traffic, exits, and arrival timing usually matter more near Union, SC than in the middle of the route.
Before You Leave
+
Open the route before leaving Hilton Head Island, SC so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Hilton Head Island, SC
This is one driving day of about 215.1 miles and 4h 21m.
Your first comfortable stop window is around 80 miles from Hilton Head Island, SC.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 107.6 mi from Hilton Head Island, SC · 2h 10m into the drive
Mid-route town
Meal stop
108 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 107.6 miles from Hilton Head Island, SC, which is a good place for a longer meal and fuel stop.
Arriving in Union, SC
The final approach into Union, SC usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Union, SC.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$34.42 one way
$68.85 round trip
$4.07/gal
25.4 MPG avg
75 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.43 | $37.51 | $75.01 |
| premium | $4.78 | $40.46 | $80.93 |
| diesel | $5.64 | $47.79 | $95.58 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$34
Meals
$25–$50
Total
$59–$84
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 75.3 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $23 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 64.5 | 0 | $22.59 | $10.32 |
| Efficient EV | 53.8 | 0 | $18.82 | $8.60 |
| EV Truck/SUV | 86 | 1 | $30.11 | $13.77 |
Gas CO2
75 kg
EV CO2
25 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Union, SC
Night in Union on Sunday
Local time
10:14 PM
EDT
Current temp
62°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
20 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 21m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Hilton Head Island, SC to Union, SC covers 215.1 miles and takes about 4h 21m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Marshland Road, Cross Island Parkway, William Hilton Parkway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 107.6 miles from Hilton Head Island, SC. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $34.42 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a straightforward 4h 21m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
This route does not have any notably tricky sections. Most of the drive from Hilton Head Island, SC to Union, SC is straightforward, with well-signed roads and simple exits.
The route from Hilton Head Island, SC to Union, SC does not surface many named destination signs beyond the main corridor.
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