How far is Norristown, PA from Back Mountain, PA?
The driving distance from Norristown, PA to Back Mountain, PA is about 107.7 miles (173.3 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 90.7 miles (145.9 km).
- For a round trip, plan for roughly 04h 29m 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 14m.
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 of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Showers And Thunderstorms
Rain Showers
Driving Route Map
The map below follows the saved road route between Norristown and Back Mountain.
Turn-by-Turn Driving Directions
Step-by-step road directions between Norristown and Back Mountain.
-
1
Start on Spring Alley
14 m · 11 sec · Spring Alley
-
2
Turn sharp left onto Powell Street
582 ft · 28 sec · Powell Street
-
3
Turn right onto East Spruce Street
669 ft · 37 sec · East Spruce Street
-
4
Turn left onto Dekalb Street
1.4 km · 2 min · Dekalb Street
-
5
Turn right onto East Johnson Highway
2813 ft · 1 min · East Johnson Highway
-
6
Continue on Plymouth Road
1.4 km · 2 min · Plymouth Road
-
7
Turn left onto Sandy Hill Road
56 m · 6 sec · Sandy Hill Road
-
8
Keep slight right to continue on Plymouth Road
1 mi · 3 min · Plymouth Road
-
9
Turn right onto West Germantown Pike
26 m · 2 sec · West Germantown Pike
-
10
Take the ramp straight toward I 276, PATP, I 476 North: Harrisburg, New Jersey
1506 ft · 37 sec
-
11
Keep slight right to continue on I 276 East: Northeast Extension, Allentown, New Jersey
1131 ft · 29 sec
-
12
Merge slight left onto Pennsylvania Turnpike
2871 ft · 35 sec · Pennsylvania Turnpike
-
13
Take the exit slight right toward I 476 North: Northeast Extension, Allentown
2275 ft · 1 min
-
14
Merge slight left onto Pennsylvania Turnpike Northeast Extension
85 mi · 1 hr 32 min · Pennsylvania Turnpike Northeast Extension
-
15
Take the exit slight right toward PA 115: Wilkes-Barre, Bear Creek
1.1 km · 2 min
-
16
Turn left onto Bear Creek Boulevard
4.3 mi · 7 min · Bear Creek Boulevard
-
17
Continue straight
10.4 mi · 18 min
-
18
Enter the roundabout and take exit 3 toward Memorial Highway
64 m · 5 sec · Memorial Highway
-
19
Exit the roundabout onto Memorial Highway
1.6 mi · 3 min · Memorial Highway
-
20
Turn left
2575 ft · 42 sec
-
21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Norristown and Back Mountain.
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
85 mi · 01h 32m
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 Cloudy then Chance Showers And Thunderstorms leaving Norristown and Rain Showers near Back Mountain.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Norristown to Back Mountain?
The road trip is about 107.7 miles (173.3 km) and usually takes 02h 14m 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?
Slatington is a useful midpoint, sitting about 53.9 miles from Norristown and 53.8 miles from Back Mountain.
How much longer is the road route than the straight-line distance?
The direct path is about 90.7 miles (145.9 km), while the road route adds roughly 17 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 2:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.53 one way or $31.05 round trip. Estimated CO2 is about 33.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around Norristown and Rain Showers near Back Mountain.
Stop Ideas Near Slatington
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 Slatington.
White Haven, PA
Wilkes-Barre, PA
Scranton, PA
Paoli
Flight Path Map
This map shows the direct air route between Norristown and Back Mountain. Straight-line distance: 90.67 mi (145.92 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 Back Mountain
Unincorporated community
| Population | 26,973 |
| Coordinates | 41.3359100, -75.9963100 |
| Altitude | 389 |
| Country | United States |
End: Back Mountain (-75.99631, 41.33591)
Estimated Travel Time
Distance: 173 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 35m |
| 40 mph (64.37 km/h) | 02h 41m |
| 50 mph (80.47 km/h) | 02h 09m |
| 60 mph (96.56 km/h) | 01h 47m |
| 70 mph (112.65 km/h) | 01h 32m |
| 80 mph (129 km/h) | 01h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $15.53 | $31.05 |
| Mid-grade | $4.60 | $17.48 | $34.95 |
| Premium | $4.95 | $18.83 | $37.65 |
| Diesel | $5.98 | $22.72 | $45.45 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.