How far is Union, SC from Rock Hill, SC?
The driving distance from Union, SC to Rock Hill, SC is about 45.2 miles (72.8 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 38.3 miles (61.6 km).
- For a round trip, plan for roughly 01h 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 00h 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.
City in Newberry County, South Carolina, United States of America
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 Union and Rock Hill.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Rock Hill.
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1
Start on North Pinckney Street
1.3 mi · 2 min · North Pinckney Street
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2
Continue on Whitmire Highway
15.2 mi · 17 min · Whitmire Highway
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3
Turn slight left onto Watson Street
7.4 mi · 11 min · Watson Street
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4
Keep slight left
16.9 mi · 24 min
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5
Turn left onto Parr Road
4.3 mi · 8 min · Parr Road
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6
Turn right onto Jenkinsville Road
1.5 km · 2 min · Jenkinsville Road
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7
Turn right onto Fire Tower Road
641 ft · 28 sec · Fire Tower Road
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8
Turn straight onto State Highway 215S
2.1 mi · 4 min · State Highway 215S
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9
Arrive at your destination
0 m · 1 sec · State Highway 215S
Car Route Details
A richer read on the saved driving route between Union and Rock Hill.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Watson Street
Keep slight left
16.9 mi · 00h 24m
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 Union and Sunny near Rock Hill.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Rock Hill?
The road trip is about 45.2 miles (72.8 km) and usually takes 00h 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?
Whitmire is a useful midpoint, sitting about 24.1 miles from Union and 21.1 miles from Rock Hill.
How much longer is the road route than the straight-line distance?
The direct path is about 38.3 miles (61.6 km), while the road route adds roughly 6.9 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 4:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.34 one way or $12.68 round trip. Estimated CO2 is about 14.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Union and Sunny near Rock Hill.
Stop Ideas Near Whitmire
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 Whitmire.
Spartanburg
Columbia
Greenville
Gastonia
Flight Path Map
This map shows the direct air route between Union and Rock Hill. Straight-line distance: 38.3 mi (61.63 km).
#1 Union
Township of Union County, New Jersey
| Population | 8,045 |
| Coordinates | 34.7154100, -81.6237100 |
| Altitude | 196 |
| Country | United States |
#2 Rock Hill
The second most populous city in York County, South Carolina.
| Population | 76,318 |
| Coordinates | 34.2518200, -81.2550900 |
| Altitude | 132 |
| Country | United States |
End: State Highway 215S (-81.254916, 34.251897)
Estimated Travel Time
Distance: 73 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 07m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $6.34 | $12.68 |
| Mid-grade | $4.43 | $7.09 | $14.17 |
| Premium | $4.78 | $7.64 | $15.29 |
| Diesel | $5.62 | $9.00 | $18.00 |
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.