How far is Rock Hill, SC from Union, SC?

The driving distance from Rock Hill, SC to Union, SC is about 48.2 miles (77.6 km), with a travel time of about 01h 07m by car.

  • The straight-line flight distance is about 38.3 miles (61.6 km).
  • For a round trip, plan for roughly 02h 14m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
48.24 mi
01h 07m
Flight
38.3 mi
61.63 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Rock Hill.

Flight Distance

Direct air line
38.3 mi
Kilometers
61.63 km
Flight Time
00h 04m

Driving Distance

Road route
48.24 mi
Kilometers
77.63 km
Drive Time
01h 07m

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 07m.

Arrival Snapshot
Arrive in Union
Thu, Apr 23, 6:20 AM EDT
Return by in Rock Hill
Thu, Apr 23, 7:27 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rock Hill
2026-04-23T05:13
Arrive Union
Thu, Apr 23, 6:20 AM EDT
Route Timing
01h 07m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:07 AM to 11:07 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:16 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Rock Hill
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Whitmire
SC

City in Newberry County, South Carolina, United States of America

From Rock Hill
24.1 mi
00h 33m
To Union
24.1 mi
00h 33m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
3 mph W
Destination
86°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
3 mph WSW

Driving Route Map

The map below follows the saved road route between Rock Hill and Union.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rock Hill and Union.

  1. 1

    Start on State Highway 215S

    2.1 mi · 4 min · State Highway 215S

  2. 2

    Turn straight onto Fire Tower Road

    703 ft · 31 sec · Fire Tower Road

  3. 3

    Continue on Jenkinsville Road

    1.5 km · 2 min · Jenkinsville Road

  4. 4

    Turn left onto Parr Road

    4.3 mi · 8 min · Parr Road

  5. 5

    Turn right onto US 176

    24.3 mi · 34 min · US 176

  6. 6

    Merge slight left

    1.5 mi · 2 min

  7. 7

    Keep slight left

    589 ft · 8 sec

  8. 8

    Merge slight left onto Whitmire Highway

    13.6 mi · 15 min · Whitmire Highway

  9. 9

    Continue on South Pinckney Street

    1.3 mi · 2 min · South Pinckney Street

  10. 10

    Arrive at your destination

    0 m · 1 sec · North Pinckney Street

Car Route Details

A richer read on the saved driving route between Rock Hill and Union.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
10 steps
3 turns on the saved route
Ramps & Exits
2
2 merges, 0 ramps or exits
Navigation Density
20.7 / 100 mi
Decision points by distance
Main Roads
US 176
25.9 mi · 54%
Whitmire Highway
13.6 mi · 28%
Parr Road
4.31 mi · 9%
State Highway 215S
2.12 mi · 4%
South Pinckney Street
1.26 mi · 3%
Jenkinsville Road
0.93 mi · 2%
Longest Stretch

US 176

Turn right onto US 176

24.3 mi · 00h 34m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 07m
Day trip friendly
Same-Day Return
02h 14m
Round-trip wheel time
Road vs Air
+9.9 mi
38.3 mi direct line
Halfway Stop
Whitmire
00h 33m from Rock Hill
Leave By
4:16 PM EDT
Morning start is best
Weather Watch

Sunny leaving Rock Hill and Sunny near Union.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rock Hill to Union?

The road trip is about 48.2 miles (77.6 km) and usually takes 01h 07m 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 Rock Hill and 24.1 miles from Union.

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 9.9 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 4:16 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.73 one way or $13.47 round trip. Estimated CO2 is about 15.1 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Rock Hill and Sunny near Union.

Stop Ideas Near Whitmire

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Whitmire, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Whitmire.

RAIL

Spartanburg

58 mi away
290 Magnolia St
RAIL

Columbia

77 mi away
850 Pulaski Street
RAIL

Greenville

83 mi away
1120 West Washington Street
RAIL

Gastonia

94 mi away
350 Hancock Street

Flight Path Map

This map shows the direct air route between Rock Hill and Union. Straight-line distance: 38.3 mi (61.63 km).

Rock Hill

#1 Rock Hill

The second most populous city in York County, South Carolina.

Population76,318
Coordinates34.2518200, -81.2550900
Altitude132
CountryUnited States
Photo coming soon

#2 Union

Township of Union County, New Jersey

Population8,045
Coordinates34.7154100, -81.6237100
Altitude196
CountryUnited States
Start: Rock Hill (-81.25509, 34.25182)
End: Union (-81.62371, 34.71541)

Estimated Travel Time

Distance: 78 km by road

SpeedTime
30 mph (48.3 km/h)01h 36m
40 mph (64.37 km/h)01h 12m
50 mph (80.47 km/h)00h 57m
60 mph (96.56 km/h)00h 48m
70 mph (112.65 km/h)00h 41m
80 mph (129 km/h)00h 36m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.7 gal
6.44 L · about $6.73
Round trip
$13.47
3.4 gal · 12.88 L
Estimated CO2
15.1 kg one way
Round trip: 30.2 kg / 67 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $6.73 $13.47
Mid-grade $4.43 $7.53 $15.06
Premium $4.78 $8.12 $16.25
Diesel $5.62 $9.56 $19.12

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

There is no time difference between Rock Hill and Union. The current time is 05:13:47.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.