How far is Irmo, SC from Myrtle Beach, SC?

The driving distance from Irmo, SC to Myrtle Beach, SC is about 161.7 miles (260.3 km), with a travel time of about 02h 49m by car.

  • The straight-line flight distance is about 134.5 miles (216.5 km).
  • For a round trip, plan for roughly 05h 39m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
161.76 mi
02h 49m
Flight
134.54 mi
216.52 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Irmo.

Flight Distance

Direct air line
134.54 mi
Kilometers
216.52 km
Flight Time
00h 16m

Driving Distance

Road route
161.76 mi
Kilometers
260.32 km
Drive Time
02h 49m

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 02h 49m.

Arrival Snapshot
Arrive in Myrtle Beach
Thu, Apr 23, 1:46 AM EDT
Return by in Irmo
Thu, Apr 23, 4:35 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Irmo
2026-04-22T22:56
Arrive Myrtle Beach
Thu, Apr 23, 1:46 AM EDT
Route Timing
02h 49m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:50 AM to 12:50 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:50 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Irmo
9:30 PM EDT
Morning start is best

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
Timmonsville
SC

City in Florence County, South Carolina, United States of America

From Irmo
77.9 mi
01h 24m
To Myrtle Beach
83.9 mi
01h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
84°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 to 8 mph SW
Destination
Myrtle Beach Weather
SC
Live fallback forecast
79°F
Wednesday
Using Red Hill as the closest live forecast in the Horry County weather hub.

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
2 to 12 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Irmo and Myrtle Beach.

  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

    4.4 mi · 6 min

  5. 5

    Take the exit slight right toward I 20 East: Florence

    1687 ft · 41 sec

  6. 6

    Merge slight left

    79.4 mi · 1 hr 30 min

  7. 7

    Turn left onto West Palmetto Street

    22.6 mi · 33 min · West Palmetto Street

  8. 8

    Continue straight

    3.1 mi · 4 min

  9. 9

    Continue straight

    41.9 mi · 55 min

  10. 10

    Turn straight

    2 mi · 4 min

  11. 11

    Turn slight right onto 8th Avenue North

    76 m · 15 sec · 8th Avenue North

  12. 12

    Turn right onto North Kings Highway

    1443 ft · 41 sec · North Kings Highway

  13. 13

    Turn left onto 5th Avenue North

    61 m · 11 sec · 5th Avenue North

  14. 14

    Turn right

    60 m · 14 sec

  15. 15

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
15 steps
7 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
9.3 / 100 mi
Decision points by distance
Main Roads
I 20 East
79.8 mi · 49%
West Palmetto Street
67.7 mi · 42%
I 26 East
5.09 mi · 3%
Lake Murray Boulevard
0.93 mi · 1%
North Kings Highway
0.27 mi
8th Avenue North
0.05 mi
Longest Stretch

I 20 East

Merge slight left

79.4 mi · 01h 30m

Route Summary

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

Trip Read

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.

Drive Time
02h 49m
Day trip friendly
Same-Day Return
05h 40m
Round-trip wheel time
Road vs Air
+27.2 mi
134.5 mi direct line
Halfway Stop
Timmonsville
01h 24m from Irmo
Leave By
12:50 PM EDT
Morning start is best
Weather Watch

Sunny leaving Irmo and Sunny near Myrtle Beach.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Irmo to Myrtle Beach?

The road trip is about 161.7 miles (260.3 km) and usually takes 02h 49m 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?

Timmonsville is a useful midpoint, sitting about 77.9 miles from Irmo and 83.9 miles from Myrtle Beach.

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

The direct path is about 134.5 miles (216.5 km), while the road route adds roughly 27.2 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 12:50 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.62 one way or $45.23 round trip. Estimated CO2 is about 50.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Irmo and Sunny near Myrtle Beach.

Stop Ideas Near Timmonsville

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 Timmonsville and the surrounding midpoint area.
Town Hall
Food stop 9.9 mi away

Town Hall

Florence , SC
101 W Evans St, Florence, SC 29501
Rating 4.5/5 405 reviews Restaurant
Stop photo coming soon
Meeting point 9.6 mi away

Florence City Manager

Florence , SC
324 W Evans St, Florence, SC 29501
Rating 3.0/5 2 reviews City government office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Timmonsville.

RAIL

Florence

18 mi away
805 East Day Street
RAIL

Kingstree

53 mi away
101 East Main St.
RAIL

Dillon

61 mi away
100 North Railroad Avenue
RAIL

Camden

64 mi away
1060 West Dekalb Street

Flight Path Map

This map shows the direct air route between Irmo and Myrtle Beach. Straight-line distance: 134.54 mi (216.52 km).

Irmo

#1 Irmo

Town

Population12,734
Coordinates34.0859800, -81.1831500
Altitude108
CountryUnited States
Myrtle Beach

#2 Myrtle Beach

Coastal city in South Carolina, United States

Population35,555
Coordinates33.6890600, -78.8866900
Altitude8
CountryUnited States
Start: Woodrow Street (-81.183189, 34.085965)
End: North Kings Highway (-78.887105, 33.689329)

Estimated Travel Time

Distance: 260 km by road

SpeedTime
30 mph (48.3 km/h)05h 23m
40 mph (64.37 km/h)04h 02m
50 mph (80.47 km/h)03h 14m
60 mph (96.56 km/h)02h 41m
70 mph (112.65 km/h)02h 18m
80 mph (129 km/h)02h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.71 gal
21.61 L · about $22.62
Round trip
$45.23
11.42 gal · 43.22 L
Estimated CO2
50.7 kg one way
Round trip: 101.5 kg / 224 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $22.62 $45.23
Mid-grade $4.43 $25.29 $50.58
Premium $4.78 $27.28 $54.56
Diesel $5.62 $32.11 $64.23

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 Myrtle Beach. The current time is 22:56:26.

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.