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.
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.
This route works well as a day trip with time at the destination.
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 02h 26m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
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.
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1
Start on Woodrow Street
7 m · 3 sec · Woodrow Street
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2
Turn right onto Lake Murray Boulevard
1.5 km · 2 min · Lake Murray Boulevard
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3
Take the ramp slight right toward I 26 East: Columbia
1 km · 1 min
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4
Merge slight left
4.4 mi · 6 min
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5
Take the exit slight right toward I 20 East: Florence
1687 ft · 41 sec
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6
Merge slight left
79.4 mi · 1 hr 30 min
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7
Turn left onto West Palmetto Street
22.6 mi · 33 min · West Palmetto Street
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8
Continue straight
3.1 mi · 4 min
-
9
Continue straight
28.9 mi · 35 min
-
10
Continue on Church Street
109 m · 20 sec · Church Street
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11
Turn sharp right onto Pine Street
2719 ft · 1 min · Pine Street
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12
At the end of the road, turn left onto 9th Avenue
96 m · 14 sec · 9th Avenue
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13
Turn right onto Elm Street
2623 ft · 1 min · Elm Street
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14
Turn left onto 4th Avenue
141 m · 15 sec · 4th Avenue
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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.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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.
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.
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.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lamar.
Florence
Camden
Kingstree
Dillon
Flight Path Map
This map shows the direct air route between Irmo and Conway. Straight-line distance: 123.58 mi (198.88 km).
#2 Conway
City in and county seat of Horray County, South Carolina, United States
| Population | 26,620 |
| Coordinates | 33.8360000, -79.0478100 |
| Altitude | 10 |
| Country | United States |
End: 4th Avenue (-79.047761, 33.835927)
Estimated Travel Time
Distance: 235 km by road
| Speed | Time |
|---|---|
| 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.
| Fuel | $/gal | One way | Round 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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.