How far is South Union, PA from Harrisburg, PA?
The driving distance from South Union, PA to Harrisburg, PA is about 122.5 miles (197.2 km), with a travel time of about 02h 24m by car.
- The straight-line flight distance is about 89.7 miles (144.3 km).
- For a round trip, plan for roughly 04h 49m 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 02h 24m.
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.
Borough in Union County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between South Union and Harrisburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Union and Harrisburg.
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1
Start on South Union Road
25 m · 6 sec · South Union Road
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2
Turn right onto Beck Road
1.5 km · 4 min · Beck Road
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3
Turn right onto Salt Spring Road
1.5 mi · 6 min · Salt Spring Road
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4
At the end of the road, turn left
4.3 mi · 8 min
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5
At the end of the road, turn left onto Blockhouse Road
1901 ft · 40 sec · Blockhouse Road
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6
Turn right onto Route 414
1.1 km · 1 min · Route 414
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7
Take the ramp left
1061 ft · 26 sec
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8
Merge slight left onto Appalachian Thruway
29.2 mi · 34 min · Appalachian Thruway
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9
Take the exit slight right toward US 15 South: Lewisburg
949 ft · 23 sec
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10
Keep slight right
48 m · 6 sec
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11
Merge slight left onto Market Street
1.5 km · 2 min · Market Street
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12
Turn slight left onto Montgomery Pike
1.3 mi · 2 min · Montgomery Pike
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13
Continue on US Highway 15
11.7 mi · 17 min · US Highway 15
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14
Continue on Westbranch Highway
2.9 mi · 4 min · Westbranch Highway
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15
Take the exit slight right toward I 80 East: Bloomsburg
1864 ft · 59 sec
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16
Keep slight left
2393 ft · 58 sec
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17
Merge slight left onto Keystone Shortway
1.1 km · 45 sec · Keystone Shortway
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18
Take the exit slight right
783 ft · 10 sec
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19
Keep slight right to continue on PA 147 South: Milton
2968 ft · 1 min
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20
Merge slight left
11.6 mi · 14 min
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21
Continue on County Line Road
694 ft · 11 sec · County Line Road
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22
Turn right
6.3 mi · 11 min
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23
Take the exit slight right toward US 11 South, US 15 South: Harrisburg
32.9 mi · 45 min
-
24
Take the exit slight right toward US 22 East, US 322 East: Harrisburg
1533 ft · 38 sec
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25
Merge slight left onto Benvenue Road
15.4 mi · 23 min · Benvenue Road
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26
Turn right onto Herr Street
1643 ft · 45 sec · Herr Street
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27
Turn right onto North 7th Street
1377 ft · 47 sec · North 7th Street
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28
Arrive at your destination
0 m · 1 sec · North 7th Street
Car Route Details
A richer read on the saved driving route between South Union and Harrisburg.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
US 11 South
Take the exit slight right toward US 11 South, US 15 South: Harrisburg
32.9 mi · 00h 45m
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 South Union and Sunny near Harrisburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Union to Harrisburg?
The road trip is about 122.5 miles (197.2 km) and usually takes 02h 24m 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?
Lewisburg is a useful midpoint, sitting about 61.9 miles from South Union and 60.6 miles from Harrisburg.
How much longer is the road route than the straight-line distance?
The direct path is about 89.7 miles (144.3 km), while the road route adds roughly 32.8 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 1:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.65 one way or $35.30 round trip. Estimated CO2 is about 38.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around South Union and Sunny near Harrisburg.
Stop Ideas Near Lewisburg
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 Lewisburg.
Lewistown
Harrisburg Transportation Center
Middletown
Wilkes-Barre, PA
Flight Path Map
This map shows the direct air route between South Union and Harrisburg. Straight-line distance: 89.63 mi (144.25 km).
#1 South Union
Township in Fayette County, Pennsylvania
| Population | 10,106 |
| Coordinates | 41.5681300, -76.9988600 |
| Altitude | 552 |
| Country | United States |
#2 Harrisburg
The capital of Pennsylvania.
| Population | 49,322 |
| Coordinates | 40.2737000, -76.8844200 |
| Altitude | 101 |
| Country | United States |
End: North 7th Street (-76.884584, 40.273641)
Estimated Travel Time
Distance: 197 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 04m |
| 40 mph (64.37 km/h) | 03h 03m |
| 50 mph (80.47 km/h) | 02h 27m |
| 60 mph (96.56 km/h) | 02h 02m |
| 70 mph (112.65 km/h) | 01h 45m |
| 80 mph (129 km/h) | 01h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $17.65 | $35.30 |
| Mid-grade | $4.60 | $19.87 | $39.74 |
| Premium | $4.95 | $21.40 | $42.80 |
| Diesel | $5.98 | $25.83 | $51.67 |
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 Pennsylvania · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.