How far is Norristown, PA from South Union, PA?
The driving distance from Norristown, PA to South Union, PA is about 200.8 miles (323.2 km), with a travel time of about 04h 07m by car.
- The straight-line flight distance is about 132.3 miles (212.9 km).
- For a round trip, plan for roughly 08h 15m 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 04h 07m.
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 southwestern Luzerne 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 Norristown and South Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Norristown and South Union.
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1
Start on Spring Alley
14 m · 11 sec · Spring Alley
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2
Turn sharp left onto Powell Street
582 ft · 28 sec · Powell Street
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3
Turn right onto East Spruce Street
669 ft · 37 sec · East Spruce Street
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4
Turn left onto Dekalb Street
1.4 km · 2 min · Dekalb Street
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5
Turn right onto East Johnson Highway
2813 ft · 1 min · East Johnson Highway
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6
Continue on Plymouth Road
1.4 km · 2 min · Plymouth Road
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7
Turn left onto Sandy Hill Road
56 m · 6 sec · Sandy Hill Road
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8
Keep slight right to continue on Plymouth Road
1 mi · 3 min · Plymouth Road
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9
Turn right onto West Germantown Pike
26 m · 2 sec · West Germantown Pike
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10
Take the ramp straight toward I 276, PATP, I 476 North: Harrisburg, New Jersey
1506 ft · 37 sec
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11
Keep slight right to continue on I 276 East: Northeast Extension, Allentown, New Jersey
1131 ft · 29 sec
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12
Merge slight left onto Pennsylvania Turnpike
2871 ft · 35 sec · Pennsylvania Turnpike
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13
Take the exit slight right toward I 476 North: Northeast Extension, Allentown
2275 ft · 1 min
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14
Merge slight left onto Pennsylvania Turnpike Northeast Extension
74.4 mi · 1 hr 21 min · Pennsylvania Turnpike Northeast Extension
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15
Take the exit slight right toward PA 940, I 80: Hazleton, Mount Pocono
1.1 km · 2 min
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16
Keep slight left
879 ft · 24 sec
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17
Keep slight right to continue on I 80 West: Hazleton
1650 ft · 40 sec
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18
Merge slight left onto Keystone Shortway
65.8 mi · 1 hr 13 min · Keystone Shortway
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19
Take the exit slight right toward US 15: Lewisburg, Williamsport
1568 ft · 38 sec
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20
Keep slight right to continue on US 15 North: Williamsport
1888 ft · 41 sec
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21
Merge slight left onto Westbranch Highway
2.6 mi · 4 min · Westbranch Highway
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22
Continue on US Highway 15
11.7 mi · 17 min · US Highway 15
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23
Continue on Montgomery Pike
1.1 mi · 2 min · Montgomery Pike
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24
Continue on Hastings Street
3122 ft · 1 min · Hastings Street
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25
Continue on Market Street
2304 ft · 59 sec · Market Street
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26
Take the exit left
1304 ft · 32 sec
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27
Merge slight left onto Susquehanna Beltway
1.6 mi · 2 min · Susquehanna Beltway
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28
Keep slight right to continue on US 15 North: Mansfield
27.3 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 Norristown 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.
Pennsylvania Turnpike Northeast Extension
Merge slight left onto Pennsylvania Turnpike Northeast Extension
74.4 mi · 01h 21m
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.
Sunny leaving Norristown 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 Norristown to South Union?
The road trip is about 200.8 miles (323.2 km) and usually takes 04h 07m 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?
Conyngham is a useful midpoint, sitting about 100.4 miles from Norristown and 100.5 miles from South Union.
How much longer is the road route than the straight-line distance?
The direct path is about 132.3 miles (212.9 km), while the road route adds roughly 68.5 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 8:44 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.97 one way or $57.94 round trip. Estimated CO2 is about 63 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Norristown and Sunny near South Union.
Stop Ideas Near Conyngham
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 Conyngham.
White Haven, PA
Wilkes-Barre, PA
Scranton, PA
Elizabethtown station
Flight Path Map
This map shows the direct air route between Norristown and South Union. Straight-line distance: 132.31 mi (212.94 km).
#1 Norristown
County seat of Montgomery County, Pennsylvania, United States
| Population | 34,323 |
| Coordinates | 40.1215000, -75.3399000 |
| Altitude | 48 |
| 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: 323 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 41m |
| 40 mph (64.37 km/h) | 05h 01m |
| 50 mph (80.47 km/h) | 04h 00m |
| 60 mph (96.56 km/h) | 03h 20m |
| 70 mph (112.65 km/h) | 02h 52m |
| 80 mph (129 km/h) | 02h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $28.97 | $57.94 |
| Mid-grade | $4.60 | $32.61 | $65.21 |
| Premium | $4.95 | $35.12 | $70.25 |
| Diesel | $5.98 | $42.40 | $84.80 |
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.