How far is Sumter, SC from Irmo, SC?
The driving distance from Sumter, SC to Irmo, SC is about 56.2 miles (90.4 km), with a travel time of about 01h 18m by car.
- The straight-line flight distance is about 49.5 miles (79.7 km).
- For a round trip, plan for roughly 02h 37m 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 01h 18m.
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.
Human settlement in Richland County, South Carolina, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Smoke
Driving Route Map
The map below follows the saved road route between Sumter and Irmo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sumter and Irmo.
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1
Start on East Liberty Street
966 ft · 24 sec · East Liberty Street
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2
Turn right onto North Washington Street
2268 ft · 44 sec · North Washington Street
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3
Continue on Broad Street
5.4 mi · 9 min · Broad Street
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4
Continue straight
34.2 mi · 42 min
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5
Continue on Devine Street
1.1 mi · 2 min · Devine Street
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6
Turn slight right onto Millwood Avenue
1.8 mi · 4 min · Millwood Avenue
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7
Turn left onto Taylor Street
1.5 km · 2 min · Taylor Street
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8
Turn right onto Bull Street
2589 ft · 1 min · Bull Street
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9
Turn left onto Elmwood Avenue
1.5 km · 2 min · Elmwood Avenue
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10
Continue straight
3.8 mi · 5 min
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11
Merge slight left
5.4 mi · 7 min
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12
Take the exit slight right toward SC 60 West
1604 ft · 39 sec
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13
Turn straight onto Lake Murray Boulevard
1.2 mi · 3 min · Lake Murray Boulevard
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14
Continue on Lake Murray Boulevard
107 m · 11 sec · Lake Murray Boulevard
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15
Turn right onto Woodrow Street
45 m · 8 sec · Woodrow Street
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16
Arrive at your destination
0 m · 1 sec · Woodrow Street
Car Route Details
A richer read on the saved driving route between Sumter and Irmo.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Broad Street
Continue straight
34.2 mi · 00h 42m
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.
Clear leaving Sumter and Patchy Smoke near Irmo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sumter to Irmo?
The road trip is about 56.2 miles (90.4 km) and usually takes 01h 18m 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?
Eastover is a useful midpoint, sitting about 28.1 miles from Sumter and 28.1 miles from Irmo.
How much longer is the road route than the straight-line distance?
The direct path is about 49.5 miles (79.7 km), while the road route adds roughly 6.7 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.84 one way or $15.69 round trip. Estimated CO2 is about 17.6 kg one way.
What should you check before leaving?
Before you leave, expect Clear around Sumter and Patchy Smoke near Irmo.
Stop Ideas Near Eastover
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 Eastover.
Columbia
Camden
Denmark
Kingstree
Flight Path Map
This map shows the direct air route between Sumter and Irmo. Straight-line distance: 49.55 mi (79.74 km).
#1 Sumter
City in and county seat of Sumter County, South Carolina, United States
| Population | 39,439 |
| Coordinates | 33.9204400, -80.3414700 |
| Altitude | 52 |
| Country | United States |
End: Irmo (-81.18315, 34.08598)
Estimated Travel Time
Distance: 90 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 52m |
| 40 mph (64.37 km/h) | 01h 24m |
| 50 mph (80.47 km/h) | 01h 07m |
| 60 mph (96.56 km/h) | 00h 56m |
| 70 mph (112.65 km/h) | 00h 48m |
| 80 mph (129 km/h) | 00h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $7.84 | $15.69 |
| Mid-grade | $4.43 | $8.77 | $17.54 |
| Premium | $4.78 | $9.46 | $18.92 |
| Diesel | $5.62 | $11.14 | $22.27 |
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.