How far is Harrisburg, PA from South Union, PA?
The driving distance from Harrisburg, PA to South Union, PA is about 122.3 miles (196.8 km), with a travel time of about 02h 56m by car.
- The straight-line flight distance is about 89.7 miles (144.3 km).
- For a round trip, plan for roughly 05h 52m 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 56m.
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 Harrisburg and South Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harrisburg and South Union.
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1
Start on North 7th Street
27 m · 3 sec · North 7th Street
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2
Enter the roundabout and take exit 1 toward North 7th Street
25 m · 3 sec · North 7th Street
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3
Exit the roundabout onto North 7th Street
2757 ft · 2 min · North 7th Street
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4
Turn right onto Maclay Street
2176 ft · 55 sec · Maclay Street
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5
Turn left onto North Cameron Street
14.3 mi · 21 min · North Cameron Street
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6
Take the exit slight right toward US 11 North, US 15 North: Selinsgrove, Williamsport
1.1 km · 1 min
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7
Merge slight left onto Susquehanna Trail
28.4 mi · 39 min · Susquehanna Trail
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8
Continue on Selinsgrove Bypass
10.3 mi · 17 min · Selinsgrove Bypass
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9
Take the exit slight right
2251 ft · 55 sec
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10
Merge slight left onto Central Susquehanna Valley Thruway
11.4 mi · 13 min · Central Susquehanna Valley Thruway
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11
Take the exit slight right toward I 80 West: Bellefonte
1891 ft · 56 sec
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12
Keep slight left
2243 ft · 27 sec
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13
Merge slight left onto Keystone Shortway
1.1 km · 44 sec · Keystone Shortway
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14
Take the exit slight right toward US 15: Lewisburg, Williamsport
1568 ft · 38 sec
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15
Keep slight right to continue on US 15 North: Williamsport
1888 ft · 41 sec
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16
Merge slight left onto Westbranch Highway
2.6 mi · 4 min · Westbranch Highway
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17
Continue on US Highway 15
11.7 mi · 17 min · US Highway 15
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18
Continue on Montgomery Pike
1.1 mi · 2 min · Montgomery Pike
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19
Continue on Hastings Street
3122 ft · 1 min · Hastings Street
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20
Continue on Market Street
2304 ft · 59 sec · Market Street
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21
Take the exit left
1304 ft · 32 sec
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22
Merge slight left onto Susquehanna Beltway
1.6 mi · 2 min · Susquehanna Beltway
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23
Keep slight right to continue on US 15 North: Mansfield
27.3 mi · 31 min
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24
Take the exit slight right toward PA 414: Morris, Liberty
1510 ft · 32 sec
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25
Turn right onto Route 414
3052 ft · 1 min · Route 414
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26
Turn left onto Blockhouse Road
1901 ft · 38 sec · Blockhouse Road
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27
Turn right onto Water Street
4.3 mi · 8 min · Water Street
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28
Turn right onto Salt Spring Road
1.5 mi · 6 min · Salt Spring Road
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29
Turn left onto Beck Road
1.5 km · 4 min · Beck Road
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30
Turn left onto South Union Road
25 m · 4 sec · South Union Road
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31
Arrive at your destination
0 m · 1 sec · South Union Road
Car Route Details
A richer read on the saved driving route between Harrisburg and South Union.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Susquehanna Trail
Merge slight left onto Susquehanna Trail
28.4 mi · 00h 39m
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 Harrisburg and Sunny near South Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harrisburg to South Union?
The road trip is about 122.3 miles (196.8 km) and usually takes 02h 56m 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 61.1 miles from Harrisburg and 61.1 miles from South Union.
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 32.6 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 12:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.61 one way or $35.22 round trip. Estimated CO2 is about 38.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Harrisburg and Sunny near South Union.
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 Harrisburg and South Union. Straight-line distance: 89.63 mi (144.25 km).
#1 Harrisburg
The capital of Pennsylvania.
| Population | 49,322 |
| Coordinates | 40.2737000, -76.8844200 |
| Altitude | 101 |
| Country | United States |
#2 South Union
Township in Fayette County, Pennsylvania
| Population | 10,106 |
| Coordinates | 41.5681300, -76.9988600 |
| Altitude | 552 |
| Country | United States |
End: South Union (-76.99886, 41.56813)
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 26m |
| 60 mph (96.56 km/h) | 02h 02m |
| 70 mph (112.65 km/h) | 01h 44m |
| 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 | $17.61 | $35.22 |
| Mid-grade | $4.60 | $19.82 | $39.64 |
| Premium | $4.95 | $21.35 | $42.70 |
| Diesel | $5.98 | $25.77 | $51.55 |
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.