The drive from Johnsonville, SC to Rock Hill, SC covers 133.6 miles and takes about 2h 52m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on West Myrtle Beach Highway, I 20, Myrtle Beach Highway for much of the mileage,
and the overall profile is mixed drive.
The longest uninterrupted segment is about 34.4 miles on West Myrtle Beach Highway.
At current regular gas prices, budget about $20.83 one way before food or hotel costs.
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
66.8 miles from Johnsonville, SC
A natural place for your longest stop of the day
, about 1h 23m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 52m. Total distance: 133.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
2h 52m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (31%). Some complex stretches to watch for.
Scenic Drive
Mixed drive route profile with national parks nearby.
Drive Character
The drive from Johnsonville, SC to Rock Hill, SC covers 133.6 miles and takes about 2h 52m, using a mix of highways and local roads.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 22 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
West Myrtle Beach Highway is the longest continuous segment at about 34.4 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 11 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near SC 341 / East Broadway Street.
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 133.6 miles you will encounter 11 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: near the start (SC 341 / East Broadway Street): Navigation decision point; at 4.9 miles (US 378 / West Myrtle Beach Highway): Navigation decision point; at 56.3 miles (US 378 / Robert E Graham Freeway): Highway fork - watch signs carefully.
Critical Maneuvers
5 of 11 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip|~0m in|SC 341 / East Broadway Street
Turn left onto SC 341 / East Broadway Street
Navigation decision point
4
4.9 mi into trip|~8m in|US 378 / West Myrtle Beach Highway
Turn left onto US 378 / West Myrtle Beach Highway
Navigation decision point
4
56.3 mi into trip|~1h 11m in|US 378 / Robert E Graham Freeway
Keep slight right at fork onto US 378 / Robert E Graham Freeway
Highway fork - watch signs carefully
5
85.4 mi into trip|~1h 45m in|I 20
Merge onto I 20
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
114.3 mi into trip|~2h 18m in
Take the exit toward SC 215: Monticello Road, Jenkinsville
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 68
Toward SC 215: Monticello Road, Jenkinsville
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Johnsonville, SC to Rock Hill, SC, road signs begin pointing toward Jenkinsville along the way.
Jenkinsville
114.3 mi in|~2h 18m
Main Roads
Road
Distance
Duration
West Myrtle Beach Highway
34.4 mi
40m
I 20
28.9 mi
33m
Myrtle Beach Highway
13 mi
16m
Monticello Road
12.6 mi
22m
Camden Highway
8 mi
9m
Thomas Sumter Highway
7.6 mi
8m
Sumter Highway
7.2 mi
8m
State Highway 215S
6.4 mi
11m
Longest stretch:
West Myrtle Beach Highway
— 34.4 mi, about 40m
Turn-by-Turn Driving Directions
Step-by-step road directions between Johnsonville, SC and Rock Hill, SC.
1
Start on North Railroad Avenue
141 ft·13 sec·North Railroad Avenue
2
Turn left onto SC 341
0.4 mi·49 sec·East Broadway Street
3
Turn left onto SC 41; SC 51
0.7 mi·1 min·North Georgetown Highway
4
Continue on SC 41; SC 51
3.8 mi·5 min·Kingsburg Highway
5
Turn left onto US 378
34 mi·40 min·West Myrtle Beach Highway
6
Continue on US 301; US 378
0.5 mi·1 min·Main Street
7
Turn slight right onto Clarence Coker Highway
3.5 mi·4 min·Clarence Coker Highway
8
Continue on US 378
13 mi·16 min·Myrtle Beach Highway
9
Keep slight right at fork onto US 378
5.9 mi·6 min·Robert E Graham Freeway
10
Take the exit
0.2 mi·25 sec
11
Turn slight right
117 ft·3 sec
12
Merge onto US 521
1.7 mi·2 min·Camden Highway
13
Continue on US 521
7.6 mi·8 min·Thomas Sumter Highway
14
Continue on US 521
6.2 mi·7 min·Camden Highway
15
Continue on US 521
7.2 mi·8 min·Sumter Highway
16
Turn left
0.3 mi·35 sec
17
Merge onto I 20
29 mi·33 min·I 20
Use the straight / slight right lanes.
18
Take the exit
0.3 mi·34 sec
Exit 68Toward SC 215: Monticello Road, JenkinsvilleUse the slight right lane.
19
Turn right onto SC 215
10 mi·18 min·Monticello Road
20
Keep slight left at fork onto SC 215
2.1 mi·3 min·Monticello Road
21
Continue on SC 215
6.4 mi·11 min·State Highway 215S
22
Arrive at destination
SC 215
Trip Plan
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 66.8 miles from Johnsonville, SC, or about 1h 23m into the drive.
The longest continuous stretch on this route runs about 34.4 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 29 miles or 36m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 66.8 miles or 1h 23m 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 13m
Traffic, exits, and arrival timing usually matter more near Rock Hill, SC than in the middle of the route.
Before You Leave
+
Open the route before leaving Johnsonville, 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 Johnsonville, SC
This is one driving day of about 133.6 miles and 2h 52m.
Your first comfortable stop window is around 29 miles from Johnsonville, 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 West Myrtle Beach Highway for about 34.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 66.8 mi from Johnsonville, SC
· 1h 23m into the drive
Place data sourced from public business listings. Hours and availability may vary.
National Parks Near This Route
Worth a detour if your schedule allows.
Congaree National Park
National Park
Astonishing biodiversity exists in Congaree National Park, the largest intact expanse of old growth bottomland hardwood forest remaining in the southeastern United States. Waters from the Congaree and...
22 mi from route
~54 min detour
Free
near mile 105.9
Caution: Backcountry Trail Conditions
Park Closure: Boardwalk Partially Closed for Construction
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$20.83 one way
$41.67 round trip
$3.96/gal25.4 MPG avg47 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.43
$23.30
$46.59
premium
$4.78
$25.13
$50.26
diesel
$5.62
$29.58
$59.16
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$21
Meals
$25–$50
Total
$46–$71
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 46.7 kg one way.
Driving Electric?
About $14 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
40.1
0
$14.03
$6.41
Efficient EV
33.4
0
$11.69
$5.34
EV Truck/SUV
53.4
0
$18.70
$8.55
Gas CO2
47 kg
EV CO2
16 kg (66% 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 15, 2026
Origin
Johnsonville, SC
Evening
in Johnsonville on Friday
Local time
5:43 PM
EDT
Current temp
74°F
Unavailable
Live forecast
Destination
Rock Hill, SC
Evening
in Rock Hill on Friday
Local time
5:43 PM
EDT
Current temp
75°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
1 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 52m 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.
Frequently Asked Questions
The drive from Johnsonville, SC to Rock Hill, SC covers 133.6 miles and takes about 2h 52m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are West Myrtle Beach Highway, I 20, Myrtle Beach Highway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 66.8 miles from Johnsonville, SC. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $20.83 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This drive requires moderate attention. Across 133.6 miles you will encounter 11 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: near the start (SC 341 / East Broadway Street): Navigation decision point; at 4.9 miles (US 378 / West Myrtle Beach Highway): Navigation decision point; at 56.3 miles (US 378 / Robert E Graham Freeway): Highway fork - watch signs carefully.
On the drive from Johnsonville, SC to Rock Hill, SC, road signs begin pointing toward Jenkinsville along the way.
Yes. Nearby national parks include Congaree National Park.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and NPS for national parks. See our methodology for refresh cadence and limitations.
