How far is Irmo, SC from Hilton Head, SC?

The driving distance from Irmo, SC to Hilton Head, SC is about 159.2 miles (256.2 km), with a travel time of about 03h 05m by car.

  • The straight-line flight distance is about 131.5 miles (211.7 km).
  • For a round trip, plan for roughly 06h 11m 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
159.17 mi
03h 05m
Flight
131.56 mi
211.72 km direct

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

Learn Distance

Choose another destination from Irmo.

Flight Distance

Direct air line
131.56 mi
Kilometers
211.72 km
Flight Time
00h 15m

Driving Distance

Road route
159.17 mi
Kilometers
256.16 km
Drive Time
03h 05m

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 05m.

Arrival Snapshot
Arrive in Hilton Head
Thu, Apr 23, 12:02 PM EDT
Return by in Irmo
Thu, Apr 23, 3:08 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Irmo
2026-04-23T08:56
Arrive Hilton Head
Thu, Apr 23, 12:02 PM EDT
Route Timing
03h 05m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:06 AM to 11:06 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
10:48 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Irmo
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
Saint George
SC

Town in South Carolina

From Irmo
79.7 mi
01h 32m
To Hilton Head
79.5 mi
01h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Overnight

Patchy Smoke

Starts
Thu, Apr 23 2:00 AM EDT
Wind
3 mph SW
Destination
62°F
Overnight

Patchy Smoke

Starts
Thu, Apr 23 2:00 AM EDT
Wind
6 mph SW

Driving Route Map

The map below follows the saved road route between Irmo and Hilton Head.

Turn-by-Turn Driving Directions

Step-by-step road directions between Irmo and Hilton Head.

  1. 1

    Start on Woodrow Street

    7 m · 3 sec · Woodrow Street

  2. 2

    Turn right onto Lake Murray Boulevard

    1.5 km · 2 min · Lake Murray Boulevard

  3. 3

    Take the ramp slight right toward I 26 East: Columbia

    1 km · 1 min

  4. 4

    Merge slight left

    5 mi · 6 min

  5. 5

    Keep slight right to continue on Charleston

    60.2 mi · 1 hr 6 min

  6. 6

    Take the exit slight right toward I 95 South: Savannah

    1.4 km · 2 min

  7. 7

    Merge slight left

    56.6 mi · 1 hr 1 min

  8. 8

    Take the exit slight right toward SC 462: Coosawhatchie

    1478 ft · 37 sec

  9. 9

    Turn left onto Coosaw Scenic Drive

    9.6 mi · 13 min · Coosaw Scenic Drive

  10. 10

    Continue on Lowcountry Drive

    7.9 mi · 11 min · Lowcountry Drive

  11. 11

    Turn right onto Okatie Highway

    4.2 mi · 5 min · Okatie Highway

  12. 12

    Take the exit slight right

    1365 ft · 37 sec

  13. 13

    Merge slight left onto Fording Island Road

    9.3 mi · 13 min · Fording Island Road

  14. 14

    Continue on William Hilton Parkway

    3.4 mi · 4 min · William Hilton Parkway

  15. 15

    Arrive at your destination

    0 m · 1 sec · William Hilton Parkway

Car Route Details

A richer read on the saved driving route between Irmo and Hilton Head.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
15 steps
3 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
9.4 / 100 mi
Decision points by distance
Main Roads
Charleston
60.2 mi · 38%
I 95 South
57.4 mi · 36%
Coosaw Scenic Drive
9.58 mi · 6%
Fording Island Road
9.26 mi · 6%
Lowcountry Drive
7.89 mi · 5%
I 26 East
5.7 mi · 4%
Longest Stretch

Charleston

Keep slight right to continue on Charleston

60.2 mi · 01h 06m

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 05m
Long day trip
Same-Day Return
06h 12m
Round-trip wheel time
Road vs Air
+27.7 mi
131.5 mi direct line
Halfway Stop
Saint George
01h 32m from Irmo
Leave By
10:48 AM EDT
Early departure recommended
Weather Watch

Patchy Smoke leaving Irmo and Patchy Smoke near Hilton Head.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Irmo to Hilton Head?

The road trip is about 159.2 miles (256.2 km) and usually takes 03h 05m 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?

Saint George is a useful midpoint, sitting about 79.7 miles from Irmo and 79.5 miles from Hilton Head.

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

The direct path is about 131.5 miles (211.7 km), while the road route adds roughly 27.7 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 10:48 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.26 one way or $44.52 round trip. Estimated CO2 is about 49.9 kg one way.

What should you check before leaving?

Before you leave, expect Patchy Smoke around Irmo and Patchy Smoke near Hilton Head.

Stop Ideas Near Saint George

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

Mid-route Guidance
Local place coverage is thin around Saint George, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Saint George.

RAIL

Denmark

55 mi away
200 West Baruch Street
RAIL

Yemassee

61 mi away
9 Main Street
RAIL

Charleston, South Carolina

64 mi away
4565 Gaynor Avenue
RAIL

Kingstree

87 mi away
101 East Main St.

Flight Path Map

This map shows the direct air route between Irmo and Hilton Head. Straight-line distance: 131.56 mi (211.72 km).

Irmo

#1 Irmo

Town

Population12,734
Coordinates34.0859800, -81.1831500
Altitude108
CountryUnited States
Hilton Head

#2 Hilton Head

Resort town in South Carolina, USA

Population37,099
Coordinates32.2163200, -80.7526100
Altitude3
CountryUnited States
Start: Irmo (-81.18315, 34.08598)
End: Hilton Head (-80.75261, 32.21632)

Estimated Travel Time

Distance: 256 km by road

SpeedTime
30 mph (48.3 km/h)05h 18m
40 mph (64.37 km/h)03h 58m
50 mph (80.47 km/h)03h 10m
60 mph (96.56 km/h)02h 39m
70 mph (112.65 km/h)02h 16m
80 mph (129 km/h)01h 59m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.62 gal
21.26 L · about $22.26
Round trip
$44.52
11.24 gal · 42.52 L
Estimated CO2
49.9 kg one way
Round trip: 99.9 kg / 220 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $22.26 $44.52
Mid-grade $4.43 $24.89 $49.78
Premium $4.78 $26.85 $53.70
Diesel $5.62 $31.61 $63.21

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

There is no time difference between Irmo and Hilton Head. The current time is 08:56:40.

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.