How far is Irmo, SC from Conway, SC?

The driving distance from Irmo, SC to Conway, SC is about 146 miles (235 km), with a travel time of about 02h 26m by car.

  • The straight-line flight distance is about 123.6 miles (198.9 km).
  • For a round trip, plan for roughly 04h 52m 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
146.04 mi
02h 26m
Flight
123.58 mi
198.88 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
123.58 mi
Kilometers
198.88 km
Flight Time
00h 14m

Driving Distance

Road route
146.04 mi
Kilometers
235.03 km
Drive Time
02h 26m

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 26m.

Arrival Snapshot
Arrive in Conway
Thu, Apr 23, 1:16 AM EDT
Return by in Irmo
Thu, Apr 23, 3:43 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Irmo
2026-04-22T22:50
Arrive Conway
Thu, Apr 23, 1:16 AM EDT
Route Timing
02h 26m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:26 AM to 12:26 PM EDT

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

Leave by
1:38 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
Lamar
SC

Town in South Carolina

From Irmo
70.7 mi
01h 13m
To Conway
75.3 mi
01h 13m

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
80°F
Wednesday

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 Conway.

Turn-by-Turn Driving Directions

Step-by-step road directions between Irmo and Conway.

  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

    28.9 mi · 35 min

  10. 10

    Continue on Church Street

    109 m · 20 sec · Church Street

  11. 11

    Turn sharp right onto Pine Street

    2719 ft · 1 min · Pine Street

  12. 12

    At the end of the road, turn left onto 9th Avenue

    96 m · 14 sec · 9th Avenue

  13. 13

    Turn right onto Elm Street

    2623 ft · 1 min · Elm Street

  14. 14

    Turn left onto 4th Avenue

    141 m · 15 sec · 4th Avenue

  15. 15

    Arrive at your destination

    0 m · 1 sec · 4th Avenue

Car Route Details

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

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
15 steps
6 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
10.3 / 100 mi
Decision points by distance
Main Roads
I 20 East
79.8 mi · 55%
West Palmetto Street
54.6 mi · 37%
I 26 East
5.09 mi · 3%
Lake Murray Boulevard
0.93 mi · 1%
Pine Street
0.52 mi
Elm Street
0.5 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 26m
Day trip friendly
Same-Day Return
04h 52m
Round-trip wheel time
Road vs Air
+22.4 mi
123.6 mi direct line
Halfway Stop
Lamar
01h 13m from Irmo
Leave By
1:38 PM EDT
Morning start is best
Weather Watch

Sunny leaving Irmo and Sunny near Conway.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Irmo to Conway?

The road trip is about 146 miles (235 km) and usually takes 02h 26m 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?

Lamar is a useful midpoint, sitting about 70.7 miles from Irmo and 75.3 miles from Conway.

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

The direct path is about 123.6 miles (198.9 km), while the road route adds roughly 22.4 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 1:38 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.40 one way or $40.80 round trip. Estimated CO2 is about 45.8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Irmo and Sunny near Conway.

Stop Ideas Near Lamar

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

Mid-route Guidance
Local place coverage is thin around Lamar, 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 Lamar.

RAIL

Florence

28 mi away
805 East Day Street
RAIL

Camden

53 mi away
1060 West Dekalb Street
RAIL

Kingstree

60 mi away
101 East Main St.
RAIL

Dillon

69 mi away
100 North Railroad Avenue

Flight Path Map

This map shows the direct air route between Irmo and Conway. Straight-line distance: 123.58 mi (198.88 km).

Irmo

#1 Irmo

Town

Population12,734
Coordinates34.0859800, -81.1831500
Altitude108
CountryUnited States
Conway

#2 Conway

City in and county seat of Horray County, South Carolina, United States

Population26,620
Coordinates33.8360000, -79.0478100
Altitude10
CountryUnited States
Start: Woodrow Street (-81.183189, 34.085965)
End: 4th Avenue (-79.047761, 33.835927)

Estimated Travel Time

Distance: 235 km by road

SpeedTime
30 mph (48.3 km/h)04h 51m
40 mph (64.37 km/h)03h 39m
50 mph (80.47 km/h)02h 55m
60 mph (96.56 km/h)02h 26m
70 mph (112.65 km/h)02h 05m
80 mph (129 km/h)01h 49m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.15 gal
19.51 L · about $20.40
Round trip
$40.80
10.3 gal · 39.02 L
Estimated CO2
45.8 kg one way
Round trip: 91.5 kg / 202 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $20.40 $40.80
Mid-grade $4.43 $22.81 $45.62
Premium $4.78 $24.61 $49.21
Diesel $5.62 $28.96 $57.93

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 Conway. The current time is 22:50:10.

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.