Inman, SC to Sumter, SC is 146.1 miles and takes about 2h 57m via I 26 and Garners Ferry Road, with a fuel budget near $23 and enough daylight to finish in a day. This trip stays within South Carolina, moving from the Southeast region to another part of the Southeast. Given its relatively short distance and mostly highway profile, it’s a straightforward drive. Plan for about three hours of wheel time, not including any stops you might want to make along the way.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
73 miles from Inman, SC
A natural place for your longest stop of the day
, about 1h 22m into the drive
.
Main Roads
Road
Distance
Duration
I 26
93.4 mi
1h 42m
Garners Ferry Road
36.2 mi
45m
I 126
3.4 mi
4m
Broad Street
3.2 mi
5m
Asheville Highway
2 mi
3m
Gervais Street
1.9 mi
4m
Millwood Avenue
1.4 mi
2m
Devine Street
1.3 mi
2m
Longest stretch:
I 26
— 93.4 mi, about 1h 42m
Turn-by-Turn Driving Directions
Step-by-step road directions between Inman, SC and Sumter, SC.
1
Start on SC 292
104 ft·6 sec·South Main Street
2
Continue on East Main Street
1.3 mi·3 min·East Main Street
3
Turn left onto US 176
2.0 mi·3 min·Asheville Highway
4
Take the ramp
0.3 mi·39 sec
5
Merge onto I 26
93 mi·1 hr 42 min·I 26
Use the straight / slight right lanes.
6
Keep slight left at fork onto I 126; US 76
3.4 mi·4 min·I 126; US 76
Toward I 126, US 76: ColumbiaUse the straight / slight right lanes.
7
Take the exit
0.2 mi·28 sec
Toward Huger StreetUse the slight right lane.
8
Continue on US 21; US 176; US 321
0.7 mi·1 min·Huger Street
9
Turn left onto Gervais Street
1.9 mi·4 min·Gervais Street
Use the left lane.
10
Turn right onto US 76; US 378
1.4 mi·2 min·Millwood Avenue
11
Continue on US 76; US 378
1.3 mi·2 min·Devine Street
12
Continue on US 76; US 378
36 mi·45 min·Garners Ferry Road
Use the straight / right lanes.
13
Keep slight right at fork onto US 76 Business
3.2 mi·5 min·Broad Street
Use the left lane.
14
Continue on US 76 Business
0.4 mi·49 sec·North Washington Street
Use the straight / right lanes.
15
Turn left onto US 76 Business
0.2 mi·20 sec·West Liberty Street
16
Arrive at destination
US 76 Business
Trip Plan
For this 146.1-mile drive, leaving in the morning is ideal, allowing you to arrive in Sumter with plenty of daylight. With a total duration of under three hours, you likely won't need more than one brief stop, if any. The fuel cost is estimated at $23, so ensure your tank is full before departing Inman. Pay attention to the transition from I 26 to Garners Ferry Road, as this is where the driving environment changes from interstate cruising to more local traffic patterns. Since the drive is short, you have the flexibility to depart whenever is most convenient for you.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 73 miles from Inman, SC, or about 1h 22m into the drive.
The longest continuous stretch on this route runs about 93.4 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 32 miles or 38m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 73 miles or 1h 22m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 23m
Traffic, exits, and arrival timing usually matter more near Sumter, SC than in the middle of the route.
Before You Leave
+
Open the route before leaving Inman, SC so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Inman, SC
This is one driving day of about 146.1 miles and 2h 57m.
Your first comfortable stop window is around 32 miles from Inman, SC.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 26 for about 93.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 7
5 decision points cluster between mile 3.6 and 142.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
3.6 mi into trip|~6m in|I 26
Merge onto I 26
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
97.1 mi into trip|~1h 49m in|I 126; US 76
Keep slight left at fork onto I 126; US 76 toward I 126, US 76: Columbia
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 126, US 76: Columbia
6
100.5 mi into trip|~1h 53m in
Take the exit toward Huger Street
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Toward Huger Street
4
101.4 mi into trip|~1h 55m in|Gervais Street
Turn left onto Gervais Street
Lane positioning matters here
Use the left lane.
6
142.3 mi into trip|~2h 51m in|US 76 Business / Broad Street
Keep slight right at fork onto US 76 Business / Broad Street
Highway fork - watch signs carefully. Lane positioning matters here
Use the left lane.
Fuel & Cost
Regular Gas
$22.85 one way
$45.69 round trip
$3.97/gal25.4 MPG avg51 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.34
$24.98
$49.96
premium
$4.70
$27.04
$54.08
diesel
$5.61
$32.26
$64.51
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$23
Meals
$25–$50
Total
$48–$73
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 51.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $15 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
43.8
0
$15.34
$7.01
Efficient EV
36.5
0
$12.78
$5.84
EV Truck/SUV
58.4
0
$20.45
$9.35
Gas CO2
51 kg
EV CO2
17 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 20, 2026
Origin
Inman, SC
Late night
in Inman on Tuesday
Local time
5:27 AM
EDT
Current temp
82°F
Unavailable
Live forecast
Destination
Sumter, SC
Late night
in Sumter on Tuesday
Local time
5:27 AM
EDT
Current temp
84°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
2 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 57m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
You'll spend about 66% of this 146.1-mile drive on highways. The longest continuous stretch on I 26 covers 93.4 miles, meaning there's a significant portion where you'll be on high-speed, limited-access roads. Expect to transition from the interstate to surface roads like Garners Ferry Road as you approach your destination. The highway segment will likely involve noticing frequent exit ramps as you pass through developed areas.
66% highway — fuel and pacing are the main things to plan.
16 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 93.4 mi on I 26.
How Hard Is This Drive?
5/10
This is a straightforward highway drive that stays mostly on I 26 and Garners Ferry Road. You will hit about 7 points where you need to pay attention to lane position or signs. The trickiest moment comes around 3.6 miles in near I 26.
Driving Effort5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 146.1 miles you will encounter 7 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 3.6 miles (I 26): Merge point - match speed before joining. Lane positioning matters here; at 97.1 miles (I 126; US 76): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 100.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Doable as a same-day drive at 2h 57m. Total distance: 146.1 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
2h 57m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (66%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 93.4 miles on I 26. The full list of main roads is in the Roads section above.
Yes — we found about 10 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
The main spots that need attention: at 3.6 miles (I 26): Merge point - match speed before joining. Lane positioning matters here; at 97.1 miles (I 126; US 76): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 100.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Sumter, SC before heading back.
