How far is Norristown, PA from West Mifflin, PA?

The driving distance from Norristown, PA to West Mifflin, PA is about 279.3 miles (449.5 km), with a travel time of about 05h 21m by car.

  • The straight-line flight distance is about 239.3 miles (385.1 km).
  • For a round trip, plan for roughly 10h 43m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
279.3 mi
05h 21m
Flight
239.29 mi
385.1 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Norristown.

Flight Distance

Direct air line
239.29 mi
Kilometers
385.1 km
Flight Time
00h 28m

Driving Distance

Road route
279.3 mi
Kilometers
449.49 km
Drive Time
05h 21m

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 21m.

Arrival Snapshot
Arrive in West Mifflin
Wed, May 13, 3:11 AM EDT
Return by in Norristown
Wed, May 13, 8:33 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Norristown
2026-05-12T21:49
Arrive West Mifflin
Wed, May 13, 3:11 AM EDT
Route Timing
05h 21m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:22 AM to 1:22 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:16 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Norristown
9:00 PM EDT
Early departure recommended

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.

Mid-route stop
Shade Gap
PA

Borough of Pennsylvania

From Norristown
139.4 mi
02h 40m
To West Mifflin
139.9 mi
02h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Today

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 mph NW
Destination
69°F
Tuesday

Areas Of Frost then Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
1 to 5 mph SE

Driving Route Map

The map below follows the saved road route between Norristown and West Mifflin.

Turn-by-Turn Driving Directions

Step-by-step road directions between Norristown and West Mifflin.

  1. 1

    Start on Spring Alley

    14 m · 3 sec · Spring Alley

  2. 2

    Turn slight right onto Powell Street

    92 m · 16 sec · Powell Street

  3. 3

    Turn right onto West Elm Street

    905 ft · 45 sec · West Elm Street

  4. 4

    Turn left onto Markley Street

    1.2 km · 1 min · Markley Street

  5. 5

    Continue on East Dekalb Pike

    1 mi · 2 min · East Dekalb Pike

  6. 6

    Continue on West Dekalb Pike

    2.1 mi · 4 min · West Dekalb Pike

  7. 7

    Take the exit slight right toward I 76 West: New Jersey, Harrisburg

    2652 ft · 59 sec

  8. 8

    Keep slight left to continue on I 76 West: New Jersey, Harrisburg

    533 ft · 8 sec

  9. 9

    Merge slight left onto Schuylkill Expressway

    2317 ft · 53 sec · Schuylkill Expressway

  10. 10

    Keep slight left to continue on I 76 West: Harrisburg

    1919 ft · 1 min

  11. 11

    Merge slight left onto Pennsylvania Turnpike

    259.7 mi · 4 hr 43 min · Pennsylvania Turnpike

  12. 12

    Take the exit slight right toward US 30: Irwin, McKeesport

    3215 ft · 1 min

  13. 13

    Keep slight left to continue on US 30 West: Pittsburgh

    1611 ft · 40 sec

  14. 14

    Merge slight left onto Lincoln Highway

    3.3 mi · 6 min · Lincoln Highway

  15. 15

    Turn left onto Lincoln Way

    6.2 mi · 11 min · Lincoln Way

  16. 16

    Turn left onto 5th Avenue

    2635 ft · 1 min · 5th Avenue

  17. 17

    Turn slight right onto Duquesne

    1254 ft · 46 sec

  18. 18

    Continue on McKeesport-Duquesne Bridge

    2306 ft · 39 sec · McKeesport-Duquesne Bridge

  19. 19

    Continue on South Duquesne Avenue

    2202 ft · 50 sec · South Duquesne Avenue

  20. 20

    Continue on Duquesne Boulevard

    2962 ft · 1 min · Duquesne Boulevard

  21. 21

    Turn left onto Grant Avenue

    3260 ft · 2 min · Grant Avenue

  22. 22

    Turn slight left onto Homestead Duquesne Road

    1.3 km · 2 min · Homestead Duquesne Road

  23. 23

    Turn left onto Purdy Street

    79 m · 14 sec · Purdy Street

  24. 24

    Turn right onto Ohio Avenue

    22 m · 3 sec · Ohio Avenue

  25. 25

    Arrive at your destination

    0 m · 1 sec · Ohio Avenue

Car Route Details

A richer read on the saved driving route between Norristown and West Mifflin.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
25 steps
11 turns on the saved route
Ramps & Exits
5
3 merges, 2 ramps or exits
Navigation Density
9 / 100 mi
Decision points by distance
Main Roads
Pennsylvania Turnpike
260 mi · 93%
Lincoln Way
6.19 mi · 2%
Lincoln Highway
3.28 mi · 1%
West Dekalb Pike
2.15 mi · 1%
East Dekalb Pike
1.03 mi
I 76 West
0.97 mi
Longest Stretch

Pennsylvania Turnpike

Merge slight left onto Pennsylvania Turnpike

260 mi · 04h 43m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 21m
Long day trip
Same-Day Return
10h 44m
Round-trip wheel time
Road vs Air
+40 mi
239.3 mi direct line
Halfway Stop
Shade Gap
02h 40m from Norristown
Leave By
6:16 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Norristown and Areas Of Frost then Sunny near West Mifflin.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Norristown to West Mifflin?

The road trip is about 279.3 miles (449.5 km) and usually takes 05h 21m 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?

Shade Gap is a useful midpoint, sitting about 139.4 miles from Norristown and 139.9 miles from West Mifflin.

How much longer is the road route than the straight-line distance?

The direct path is about 239.3 miles (385.1 km), while the road route adds roughly 40 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 6:16 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $40.29 one way or $80.58 round trip. Estimated CO2 is about 87.6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Norristown and Areas Of Frost then Sunny near West Mifflin.

Stop Ideas Near Shade Gap

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Shade Gap, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Shade Gap.

RAIL

Huntingdon

36 mi away
Fourth and Allegheny Sts.
RAIL

Lewistown

51 mi away
150 Helen Street
BUS

Hancock, MD

59 mi away
434 East Main Street
RAIL

Altoona Transportation Center

59 mi away
1231 11th Avenue

Flight Path Map

This map shows the direct air route between Norristown and West Mifflin. Straight-line distance: 239.29 mi (385.1 km).

Norristown

#1 Norristown

County seat of Montgomery County, Pennsylvania, United States

Population34,323
Coordinates40.1215000, -75.3399000
Altitude48
CountryUnited States
West Mifflin

#2 West Mifflin

Borough of Pennsylvania

Population19,588
Coordinates40.3634000, -79.8664400
Altitude334
CountryUnited States
Start: Norristown (-75.3399, 40.1215)
End: West Mifflin (-79.86644, 40.3634)

Estimated Travel Time

Distance: 449 km by road

SpeedTime
30 mph (48.3 km/h)09h 18m
40 mph (64.37 km/h)06h 58m
50 mph (80.47 km/h)05h 35m
60 mph (96.56 km/h)04h 39m
70 mph (112.65 km/h)03h 59m
80 mph (129 km/h)03h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.86 gal
37.31 L · about $40.29
Round trip
$80.58
19.72 gal · 74.62 L
Estimated CO2
87.6 kg one way
Round trip: 175.3 kg / 386 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $40.29 $80.58
Mid-grade $4.60 $45.35 $90.69
Premium $4.95 $48.85 $97.69
Diesel $5.98 $58.96 $117.93

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

There is no time difference between Norristown and West Mifflin. The current time is 21:49:49.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.