How far is Allison Park, PA from Norristown, PA?
The driving distance from Allison Park, PA to Norristown, PA is about 297.9 miles (479.4 km), with a travel time of about 04h 43m by car.
- The straight-line flight distance is about 245.1 miles (394.4 km).
- For a round trip, plan for roughly 09h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
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 43m.
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.
Township in Franklin County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Allison Park and Norristown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allison Park and Norristown.
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1
Start on the route
97 m · 24 sec
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2
At the end of the road, turn right onto William Flinn Highway
3.7 mi · 7 min · William Flinn Highway
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3
Take the exit slight right toward I 76 Toll, PATP
1034 ft · 43 sec
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4
Keep slight left to continue on I 76 East: Pittsburgh
2055 ft · 50 sec
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5
Merge slight left onto Pennsylvania Turnpike
287.8 mi · 5 hr 13 min · Pennsylvania Turnpike
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6
Take the exit slight right toward I 76 East: Valley Forge, Philadelphia
1.2 mi · 2 min
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7
Take the exit slight right toward US 202 North: King of Prussia
1719 ft · 42 sec
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8
Merge slight left
2.4 mi · 4 min
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9
Continue on East Dekalb Pike
1 mi · 2 min · East Dekalb Pike
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10
Continue on Markley Street
1.2 km · 1 min · Markley Street
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11
Turn right onto West Elm Street
905 ft · 44 sec · West Elm Street
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12
Turn slight left onto Powell Street
92 m · 14 sec · Powell Street
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13
Turn slight left onto Spring Alley
14 m · 3 sec · Spring Alley
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14
Arrive at your destination
0 m · 1 sec · Spring Alley
Car Route Details
A richer read on the saved driving route between Allison Park and Norristown.
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
Merge slight left onto Pennsylvania Turnpike
288 mi · 05h 13m
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.
Mostly Cloudy leaving Allison Park and Rain near Norristown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allison Park to Norristown?
The road trip is about 297.9 miles (479.4 km) and usually takes 04h 43m 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?
Metal is a useful midpoint, sitting about 148.8 miles from Allison Park and 149.1 miles from Norristown.
How much longer is the road route than the straight-line distance?
The direct path is about 245.1 miles (394.4 km), while the road route adds roughly 52.8 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 6:00 AM to 8:00 AM EST. If you want a more comfortable same-day return, try to leave by 7:32 AM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.27 one way or $92.53 round trip. Estimated CO2 is about 93.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Allison Park and Rain near Norristown.
Stop Ideas Near Metal
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 Metal.
Hancock, MD
Hagerstown, MD
Huntingdon
Martinsburg station
Flight Path Map
This map shows the direct air route between Allison Park and Norristown. Straight-line distance: 245.09 mi (394.43 km).
#1 Allison Park
Situated in the hilly terrain of western Pennsylvania, this unincorporated community is located within Allegheny County at an approximate elevation of 879 feet.
| Population | 0 |
| Coordinates | 40.5595100, -79.9586700 |
| Altitude | 268 |
| Country | United States |
#2 Norristown
County seat of Montgomery County, Pennsylvania, United States
| Population | 34,323 |
| Coordinates | 40.1215000, -75.3399000 |
| Altitude | 48 |
| Country | United States |
End: Spring Alley (-75.339854, 40.121493)
Estimated Travel Time
Distance: 479 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 55m |
| 40 mph (64.37 km/h) | 07h 26m |
| 50 mph (80.47 km/h) | 05h 57m |
| 60 mph (96.56 km/h) | 04h 57m |
| 70 mph (112.65 km/h) | 04h 15m |
| 80 mph (129 km/h) | 03h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.40 | $46.27 | $92.53 |
| Mid-grade | $4.82 | $50.69 | $101.38 |
| Premium | $5.27 | $55.43 | $110.86 |
| Diesel | $6.58 | $69.18 | $138.35 |
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 · Nov 06, 2026