How far is Conway, SC from Irmo, SC?
The driving distance from Conway, SC to Irmo, SC is about 141.9 miles (228.3 km), with a travel time of about 02h 55m by car.
- The straight-line flight distance is about 123.6 miles (198.9 km).
- For a round trip, plan for roughly 05h 50m 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 55m.
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 Conway and Irmo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Conway and Irmo.
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1
Start on 4th Avenue
141 m · 19 sec · 4th Avenue
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2
Turn right onto Elm Street
2623 ft · 1 min · Elm Street
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3
Turn left onto 9th Avenue
96 m · 9 sec · 9th Avenue
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4
Turn right onto Pine Street
2788 ft · 1 min · Pine Street
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5
Merge slight left onto Church Street
28.8 mi · 35 min · Church Street
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6
Turn straight
3.2 mi · 4 min
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7
Continue straight
6.7 mi · 8 min
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8
Continue straight
12.1 mi · 17 min
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9
Turn slight right onto East Cheves Street
1.7 mi · 4 min · East Cheves Street
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10
Turn right onto Warley Street
644 ft · 18 sec · Warley Street
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11
Turn left onto West Evans Street
2.4 mi · 5 min · West Evans Street
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12
Turn right onto West David H McLeod Boulevard
1.5 mi · 3 min · West David H McLeod Boulevard
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13
Continue on J Strom Thurmond Freeway
76.4 mi · 1 hr 25 min · J Strom Thurmond Freeway
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14
Take the exit slight right toward I 26 West
1.7 mi · 4 min
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15
Merge slight left
4.5 mi · 6 min
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16
Take the exit slight right toward SC 60 West
1604 ft · 39 sec
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17
Turn straight onto Lake Murray Boulevard
1.2 mi · 3 min · Lake Murray Boulevard
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18
Continue on Lake Murray Boulevard
107 m · 11 sec · Lake Murray Boulevard
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19
Turn right onto Woodrow Street
45 m · 8 sec · Woodrow Street
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20
Arrive at your destination
0 m · 1 sec · Woodrow Street
Car Route Details
A richer read on the saved driving route between Conway and Irmo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
J Strom Thurmond Freeway
Continue on J Strom Thurmond Freeway
76.4 mi · 01h 25m
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 Conway and Sunny near Irmo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Conway to Irmo?
The road trip is about 141.9 miles (228.3 km) and usually takes 02h 55m 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 70.8 miles from Conway and 71 miles from Irmo.
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 18.3 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 12:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.84 one way or $39.69 round trip. Estimated CO2 is about 44.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Conway and Sunny near Irmo.
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 Conway and Irmo. Straight-line distance: 123.58 mi (198.88 km).
#1 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: Irmo (-81.18315, 34.08598)
Estimated Travel Time
Distance: 228 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 43m |
| 40 mph (64.37 km/h) | 03h 32m |
| 50 mph (80.47 km/h) | 02h 50m |
| 60 mph (96.56 km/h) | 02h 21m |
| 70 mph (112.65 km/h) | 02h 01m |
| 80 mph (129 km/h) | 01h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $19.84 | $39.69 |
| Mid-grade | $4.43 | $22.19 | $44.38 |
| Premium | $4.78 | $23.94 | $47.88 |
| Diesel | $5.62 | $28.18 | $56.35 |
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.