How far is Sumter, SC from Irwin, SC?
The driving distance from Sumter, SC to Irwin, SC is about 70.8 miles (113.9 km), with a travel time of about 01h 30m by car.
- The straight-line flight distance is about 60.1 miles (96.7 km).
- For a round trip, plan for roughly 03h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 30m.
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.
City in South Carolina
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance T-storms
Driving Route Map
The map below follows the saved road route between Sumter and Irwin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sumter and Irwin.
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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
2.8 mi · 4 min · Broad Street
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4
Turn slight right onto Camden Highway
1.9 mi · 2 min · Camden Highway
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5
Continue on Thomas Sumter Highway
7.6 mi · 9 min · Thomas Sumter Highway
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6
Continue on Camden Highway
6.2 mi · 7 min · Camden Highway
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7
Continue on Sumter Highway
8.4 mi · 10 min · Sumter Highway
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8
Continue on Broad Street
4.2 mi · 9 min · Broad Street
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9
Continue on Kershaw Highway
14.4 mi · 16 min · Kershaw Highway
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10
Continue on Kershaw Camden Highway
2.7 mi · 3 min · Kershaw Camden Highway
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11
Continue on South Hampton Street
1.1 km · 48 sec · South Hampton Street
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12
Turn left onto South Matson Street
1.5 mi · 2 min · South Matson Street
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13
At the end of the road, turn left onto Kershaw Camden Highway
4.8 mi · 5 min · Kershaw Camden Highway
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14
Continue on Spring Street
1.3 km · 56 sec · Spring Street
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15
Turn right onto Main Street
1.5 km · 1 min · Main Street
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16
Continue on Kershaw Camden Highway
7.4 mi · 8 min · Kershaw Camden Highway
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17
Continue on Kershaw Camden Highway
1.2 mi · 2 min · Kershaw Camden Highway
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18
Continue on Kershaw Highway
2354 ft · 46 sec · Kershaw Highway
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19
Turn left
1.9 mi · 3 min
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20
Turn right onto Memorial Park Road
1280 ft · 25 sec · Memorial Park Road
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21
Turn straight onto Grace Avenue
1.7 mi · 4 min · Grace Avenue
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22
Turn right onto Patton Street
797 ft · 40 sec · Patton Street
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23
Turn left onto Confederate Avenue
879 ft · 39 sec · Confederate Avenue
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24
Arrive at your destination
0 m · 1 sec · Confederate Avenue
Car Route Details
A richer read on the saved driving route between Sumter and Irwin.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Kershaw Highway
Continue on Kershaw Highway
14.4 mi · 00h 16m
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.
Slight Chance T-storms leaving Sumter and Light Rain near Irwin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sumter to Irwin?
The road trip is about 70.8 miles (113.9 km) and usually takes 01h 30m 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?
Camden is a useful midpoint, sitting about 35.4 miles from Sumter and 35.4 miles from Irwin.
How much longer is the road route than the straight-line distance?
The direct path is about 60.1 miles (96.7 km), while the road route adds roughly 10.7 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 EST. If you want a more comfortable same-day return, try to leave by 3:28 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.00 one way or $18.01 round trip. Estimated CO2 is about 22.2 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance T-storms around Sumter and Light Rain near Irwin.
Stop Ideas Near Camden
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 Camden.
Camden
Columbia
Florence
Kingstree
Flight Path Map
This map shows the direct air route between Sumter and Irwin. Straight-line distance: 60.07 mi (96.67 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 |
#2 Irwin
Irwin is a place in South Carolina, United States.
| Population | 0 |
| Coordinates | 34.6937600, -80.8222900 |
| Altitude | 149 |
| Country | United States |
End: Irwin (-80.82229, 34.69376)
Estimated Travel Time
Distance: 114 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 21m |
| 40 mph (64.37 km/h) | 01h 46m |
| 50 mph (80.47 km/h) | 01h 24m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.60 | $9.00 | $18.01 |
| Mid-grade | $4.06 | $10.14 | $20.28 |
| Premium | $4.46 | $11.14 | $22.28 |
| Diesel | $5.72 | $14.29 | $28.58 |
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 · Nov 06, 2026