How far is Norristown, PA from Lower Allen, PA?
The driving distance from Norristown, PA to Lower Allen, PA is about 92.6 miles (149 km), with a travel time of about 01h 47m by car.
- The straight-line flight distance is about 82.7 miles (133.1 km).
- For a round trip, plan for roughly 03h 34m 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 01h 47m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Norristown and Lower Allen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Norristown and Lower Allen.
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1
Start on Spring Alley
14 m · 3 sec · Spring Alley
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2
Turn slight right onto Powell Street
92 m · 16 sec · Powell Street
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3
Turn right onto West Elm Street
905 ft · 45 sec · West Elm Street
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4
Turn left onto Markley Street
1.2 km · 1 min · Markley Street
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5
Continue on East Dekalb Pike
1 mi · 2 min · East Dekalb Pike
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6
Continue on West Dekalb Pike
2.1 mi · 4 min · West Dekalb Pike
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7
Take the exit slight right toward I 76 West: New Jersey, Harrisburg
2652 ft · 59 sec
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8
Keep slight left to continue on I 76 West: New Jersey, Harrisburg
533 ft · 8 sec
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9
Merge slight left onto Schuylkill Expressway
2317 ft · 53 sec · Schuylkill Expressway
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10
Keep slight left to continue on I 76 West: Harrisburg
1919 ft · 1 min
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11
Merge slight left onto Pennsylvania Turnpike
83.9 mi · 1 hr 30 min · Pennsylvania Turnpike
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12
Take the exit slight right toward I 83: York, Baltimore, Harrisburg
1.4 km · 2 min
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13
Merge slight left
1.2 mi · 2 min
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14
Take the exit slight right toward New Cumberland
949 ft · 26 sec
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15
Turn left onto Simpson Ferry Road
89 m · 6 sec · Simpson Ferry Road
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16
Continue on Carlisle Road
2824 ft · 1 min · Carlisle Road
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17
Turn left onto Colgate Drive
140 m · 26 sec · Colgate Drive
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18
Turn left onto Center Drive
1357 ft · 60 sec · Center Drive
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19
Arrive at your destination
0 m · 1 sec · Center Drive
Car Route Details
A richer read on the saved driving route between Norristown and Lower Allen.
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
83.9 mi · 01h 30m
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.
Mostly Sunny leaving Norristown and Slight Chance Rain Showers near Lower Allen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Norristown to Lower Allen?
The road trip is about 92.6 miles (149 km) and usually takes 01h 47m 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?
Reamstown is a useful midpoint, sitting about 46.2 miles from Norristown and 46.4 miles from Lower Allen.
How much longer is the road route than the straight-line distance?
The direct path is about 82.7 miles (133.1 km), while the road route adds roughly 9.9 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 2:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.36 one way or $26.72 round trip. Estimated CO2 is about 29.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Norristown and Slight Chance Rain Showers near Lower Allen.
Stop Ideas Near Reamstown
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 Reamstown.
Lancaster station
Parkesburg
Mount Joy
Coatesville
Flight Path Map
This map shows the direct air route between Norristown and Lower Allen. Straight-line distance: 82.71 mi (133.11 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 Lower Allen
Township in Cumberland County, Pennsylvania
| Population | 20,226 |
| Coordinates | 40.2264800, -76.9005300 |
| Altitude | 117 |
| Country | United States |
End: Lower Allen (-76.90053, 40.22648)
Estimated Travel Time
Distance: 149 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 05m |
| 40 mph (64.37 km/h) | 02h 18m |
| 50 mph (80.47 km/h) | 01h 51m |
| 60 mph (96.56 km/h) | 01h 32m |
| 70 mph (112.65 km/h) | 01h 19m |
| 80 mph (129 km/h) | 01h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $13.36 | $26.72 |
| Mid-grade | $4.60 | $15.04 | $30.08 |
| Premium | $4.95 | $16.20 | $32.40 |
| Diesel | $5.98 | $19.55 | $39.11 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.