How far is Mount Lebanon, PA from South Union, PA?
The driving distance from Mount Lebanon, PA to South Union, PA is about 237.9 miles (382.8 km), with a travel time of about 05h 14m by car.
- The straight-line flight distance is about 179.9 miles (289.5 km).
- For a round trip, plan for roughly 10h 28m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 14m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Blair County, Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Mount Lebanon and South Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mount Lebanon and South Union.
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1
Start on the route
72 m · 23 sec
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2
Turn left
48 m · 13 sec
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3
At the end of the road, turn right onto Washington Road
1.3 mi · 3 min · Washington Road
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4
Turn left onto Cochran Road
1.8 mi · 4 min · Cochran Road
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5
Turn right onto Greentree Road
2.3 mi · 4 min · Greentree Road
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6
Take the ramp slight right toward I 376 East: Pittsburgh
1809 ft · 44 sec
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7
Merge slight left onto Penn-Lincoln Parkway West
2.3 mi · 4 min · Penn-Lincoln Parkway West
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8
Keep slight right to continue on Penn-Lincoln Parkway East
14.7 mi · 21 min · Penn-Lincoln Parkway East
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9
Merge slight left onto William Penn Highway
44.8 mi · 1 hr 6 min · William Penn Highway
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10
Continue on Admiral Peary Highway
13.7 mi · 20 min · Admiral Peary Highway
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11
Continue on William Penn Highway
16.8 mi · 20 min · William Penn Highway
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12
Continue on I 99, US 220: Altoona, Bedford
2680 ft · 45 sec
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13
Keep slight left to continue on I 99 North, US 220 North: Altoona
1.4 km · 1 min
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14
Merge slight left
41 mi · 45 min
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15
Keep slight left
4 mi · 5 min
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16
Keep slight left to continue on I 99 North, US 220 North: Bellefonte
12.3 mi · 15 min
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17
Turn left onto I 80 East, US 220 North: Williamsport
1283 ft · 31 sec
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18
Merge slight left onto Keystone Shortway
12.3 mi · 13 min · Keystone Shortway
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19
Take the exit slight right toward PA 64: Pleasant Gap, Mill Hall
2074 ft · 54 sec
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20
Turn left onto Nittany Valley Drive
4.5 mi · 8 min · Nittany Valley Drive
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21
Turn right onto Long Run Road
105 m · 7 sec · Long Run Road
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22
Take the ramp slight right
1182 ft · 40 sec
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23
Turn sharp left onto Frank D O'Reilly Jr Highway
5.7 mi · 7 min · Frank D O'Reilly Jr Highway
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24
Continue on Appalachian Thwy
1369 ft · 18 sec · Appalachian Thwy
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25
Continue on Appalachian Thruway
10.4 mi · 12 min · Appalachian Thruway
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26
Continue on Susquehanna Beltway
11.6 mi · 13 min · Susquehanna Beltway
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27
Take the exit slight right toward US 15 North: Mansfield
3059 ft · 1 min
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28
Merge slight left
26.8 mi · 31 min
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29
Take the exit slight right toward PA 414: Morris, Liberty
1510 ft · 32 sec
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30
Turn right onto Route 414
3052 ft · 1 min · Route 414
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31
Turn left onto Blockhouse Road
1901 ft · 38 sec · Blockhouse Road
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32
Turn right onto Water Street
4.3 mi · 8 min · Water Street
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33
Turn right onto Salt Spring Road
1.5 mi · 6 min · Salt Spring Road
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34
Turn left onto Beck Road
1.5 km · 4 min · Beck Road
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35
Turn left onto South Union Road
25 m · 4 sec · South Union Road
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36
Arrive at your destination
0 m · 1 sec · South Union Road
Car Route Details
A richer read on the saved driving route between Mount Lebanon and South Union.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
William Penn Highway
Merge slight left onto William Penn Highway
44.8 mi · 01h 06m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Partly Sunny then Chance Showers And Thunderstorms leaving Mount Lebanon and Chance Showers And Thunderstorms near South Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mount Lebanon to South Union?
The road trip is about 237.9 miles (382.8 km) and usually takes 05h 14m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Tyrone is a useful midpoint, sitting about 118.8 miles from Mount Lebanon and 119.1 miles from South Union.
How much longer is the road route than the straight-line distance?
The direct path is about 179.9 miles (289.5 km), while the road route adds roughly 58 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 6:32 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.28 one way or $68.56 round trip. Estimated CO2 is about 74.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around Mount Lebanon and Chance Showers And Thunderstorms near South Union.
Stop Ideas Near Tyrone
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 Tyrone.
Tyrone
Altoona Transportation Center
Huntingdon
Lewistown
Flight Path Map
This map shows the direct air route between Mount Lebanon and South Union. Straight-line distance: 179.86 mi (289.46 km).
#1 Mount Lebanon
Municipality in Pennsylvania
| Population | 31,418 |
| Coordinates | 40.3553500, -80.0495000 |
| Altitude | 323 |
| 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: 383 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 55m |
| 40 mph (64.37 km/h) | 05h 56m |
| 50 mph (80.47 km/h) | 04h 45m |
| 60 mph (96.56 km/h) | 03h 57m |
| 70 mph (112.65 km/h) | 03h 23m |
| 80 mph (129 km/h) | 02h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $34.28 | $68.56 |
| Mid-grade | $4.60 | $38.59 | $77.17 |
| Premium | $4.95 | $41.56 | $83.13 |
| Diesel | $5.98 | $50.17 | $100.34 |
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 · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.