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

The driving distance from Union, SC to Rock Hill, SC is about 81.5 miles (131.1 km), with a travel time of about 01h 33m by car.

  • The straight-line flight distance is about 48.3 miles (77.7 km).
  • For a round trip, plan for roughly 03h 07m 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
81.48 mi
01h 33m
Flight
48.27 mi
77.69 km direct

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

Learn Distance

Choose another destination from Union.

Flight Distance

Direct air line
48.27 mi
Kilometers
77.69 km
Flight Time
00h 05m

Driving Distance

Road route
81.48 mi
Kilometers
131.13 km
Drive Time
01h 33m

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 33m.

Arrival Snapshot
Arrive in Rock Hill
Thu, Oct 15, 7:03 PM EDT
Return by in Union
Thu, Oct 15, 8:37 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union
2026-10-15T17:29
Arrive Rock Hill
Thu, Oct 15, 7:03 PM EDT
Route Timing
01h 33m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:34 AM to 11:34 AM EDT

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

Leave by
3:22 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Union
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
Great Falls
SC

Town in Chester County, South Carolina, United States and is located fourteen miles southwest of Lancaster, South Carolina

From Union
32.7 mi
00h 46m
To Rock Hill
48.8 mi
00h 46m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
89°F
This Afternoon

Sunny

Starts
Thu, Oct 15 3:00 PM EDT
Wind
2 mph SW
Destination
88°F
This Afternoon

Sunny

Starts
Thu, Oct 15 1:00 PM EDT
Wind
3 mph SW

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.

  1. 1

    Start on the route

    69 m · 14 sec

  2. 2

    Turn sharp left

    76 m · 8 sec

  3. 3

    Enter the roundabout and take exit 3 toward the route

    49 m · 3 sec

  4. 4

    Exit the roundabout

    46 m · 3 sec

  5. 5

    Turn straight onto Rocky River Road

    2 mi · 4 min · Rocky River Road

  6. 6

    Turn left onto Pageland Highway

    7.4 mi · 8 min · Pageland Highway

  7. 7

    Continue on East Arch Street

    1.2 mi · 2 min · East Arch Street

  8. 8

    Turn left onto South Market Street

    1.2 km · 1 min · South Market Street

  9. 9

    Turn right

    11.6 mi · 20 min

  10. 10

    Continue straight

    1020 ft · 17 sec

  11. 11

    Keep slight left

    1.2 mi · 2 min

  12. 12

    At the end of the road, turn left onto Chester Avenue

    2 mi · 3 min · Chester Avenue

  13. 13

    Continue on Ridgeway Road

    1.5 km · 1 min · Ridgeway Road

  14. 14

    Turn straight onto State Highway 200

    16.3 mi · 29 min · State Highway 200

  15. 15

    Turn left

    3.2 mi · 5 min

  16. 16

    Continue on Columbia Road

    137 m · 8 sec · Columbia Road

  17. 17

    Continue on Monjicono Road

    12.4 mi · 22 min · Monjicono Road

  18. 18

    Continue on State Highway 213

    3185 ft · 1 min · State Highway 213

  19. 19

    At the end of the road, turn left onto Monticous Road

    1.9 mi · 3 min · Monticous Road

  20. 20

    Continue on South State Highway 215

    1.3 km · 1 min · South State Highway 215

  21. 21

    Continue on Monticous Road

    2026 ft · 40 sec · Monticous Road

  22. 22

    Keep slight left to continue on State Highway 215S

    2.4 mi · 4 min · State Highway 215S

  23. 23

    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.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
23 steps
11 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
28.2 / 100 mi
Decision points by distance
Main Roads
State Highway 200
16.3 mi · 20%
Monjicono Road
12.4 mi · 15%
Pageland Highway
7.37 mi · 9%
State Highway 215S
2.35 mi · 3%
Monticous Road
2.29 mi · 3%
South Market Street
2.11 mi · 3%
Longest Stretch

State Highway 200

Turn straight onto State Highway 200

16.3 mi · 00h 29m

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 33m
Day trip friendly
Same-Day Return
03h 08m
Round-trip wheel time
Road vs Air
+33.2 mi
48.3 mi direct line
Halfway Stop
Great Falls
00h 46m from Union
Leave By
3:22 PM EDT
Morning start is best
Weather Watch

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 81.5 miles (131.1 km) and usually takes 01h 33m 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?

Great Falls is a useful midpoint, sitting about 32.7 miles from Union and 48.8 miles from Rock Hill.

How much longer is the road route than the straight-line distance?

The direct path is about 48.3 miles (77.7 km), while the road route adds roughly 33.2 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 3:22 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.29 one way or $22.59 round trip. Estimated CO2 is about 25.5 kg one way.

What should you check before leaving?

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

Stop Ideas Near Great Falls

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

Mid-route Guidance
Local place coverage is thin around Great Falls, 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 Great Falls.

RAIL

Camden

44 mi away
1060 West Dekalb Street
RAIL

Columbia

66 mi away
850 Pulaski Street
RAIL

Charlotte

74 mi away
1914 North Tryon St.
RAIL

Gastonia

81 mi away
350 Hancock Street

Flight Path Map

This map shows the direct air route between Union and Rock Hill. Straight-line distance: 48.27 mi (77.69 km).

Photo coming soon

#1 Union

County seat of Union County, South Carolina

Population7,535
Coordinates34.7157100, -80.6211800
Altitude195
CountryUnited States
Rock Hill

#2 Rock Hill

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

Population76,318
Coordinates34.2518200, -81.2550900
Altitude132
CountryUnited States
Start: Taxahaw Road (-80.621163, 34.715654)
End: State Highway 215S (-81.254916, 34.251897)

Estimated Travel Time

Distance: 131 km by road

SpeedTime
30 mph (48.3 km/h)02h 42m
40 mph (64.37 km/h)02h 02m
50 mph (80.47 km/h)01h 37m
60 mph (96.56 km/h)01h 21m
70 mph (112.65 km/h)01h 09m
80 mph (129 km/h)01h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.87 gal
10.88 L · about $11.29
Round trip
$22.59
5.74 gal · 21.76 L
Estimated CO2
25.5 kg one way
Round trip: 51 kg / 112 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.94 $11.29 $22.59
Mid-grade $4.40 $12.63 $25.26
Premium $4.80 $13.78 $27.57
Diesel $5.84 $16.76 $33.51

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 · Oct 15, 2026

There is no time difference between Union and Rock Hill. The current time is 17:29:47.

Distance to Other Cities

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