How far is Norristown, PA from Williamsport, PA?

The driving distance from Norristown, PA to Williamsport, PA is about 163.8 miles (263.6 km), with a travel time of about 03h 14m by car.

  • The straight-line flight distance is about 116.4 miles (187.4 km).
  • For a round trip, plan for roughly 06h 29m 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
163.81 mi
03h 14m
Flight
116.44 mi
187.4 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
116.44 mi
Kilometers
187.4 km
Flight Time
00h 14m

Driving Distance

Road route
163.81 mi
Kilometers
263.63 km
Drive Time
03h 14m

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 03h 14m.

Arrival Snapshot
Arrive in Williamsport
Mon, Jun 1, 10:32 PM EDT
Return by in Norristown
Tue, Jun 2, 1:47 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Norristown
2026-06-01T19:18
Arrive Williamsport
Mon, Jun 1, 10:32 PM EDT
Route Timing
03h 14m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:15 AM to 11:15 AM EDT

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

Leave by
10:30 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
East Side
PA

Borough of Pennsylvania

From Norristown
81.8 mi
01h 37m
To Williamsport
82 mi
01h 37m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
This Afternoon

Slight Chance Rain Showers

Starts
Mon, Jun 1 4:00 PM EDT
Wind
10 mph NE
Destination
50°F
Tonight

Partly Cloudy

Starts
Mon, Jun 1 6:00 PM EDT
Wind
1 to 7 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Norristown and Williamsport.

  1. 1

    Start on Spring Alley

    14 m · 11 sec · Spring Alley

  2. 2

    Turn sharp left onto Powell Street

    582 ft · 28 sec · Powell Street

  3. 3

    Turn right onto East Spruce Street

    669 ft · 37 sec · East Spruce Street

  4. 4

    Turn left onto Dekalb Street

    1.4 km · 2 min · Dekalb Street

  5. 5

    Turn right onto East Johnson Highway

    2813 ft · 1 min · East Johnson Highway

  6. 6

    Continue on Plymouth Road

    1.4 km · 2 min · Plymouth Road

  7. 7

    Turn left onto Sandy Hill Road

    56 m · 6 sec · Sandy Hill Road

  8. 8

    Keep slight right to continue on Plymouth Road

    1 mi · 3 min · Plymouth Road

  9. 9

    Turn right onto West Germantown Pike

    26 m · 2 sec · West Germantown Pike

  10. 10

    Take the ramp straight toward I 276, PATP, I 476 North: Harrisburg, New Jersey

    1506 ft · 37 sec

  11. 11

    Keep slight right to continue on I 276 East: Northeast Extension, Allentown, New Jersey

    1131 ft · 29 sec

  12. 12

    Merge slight left onto Pennsylvania Turnpike

    2871 ft · 35 sec · Pennsylvania Turnpike

  13. 13

    Take the exit slight right toward I 476 North: Northeast Extension, Allentown

    2275 ft · 1 min

  14. 14

    Merge slight left onto Pennsylvania Turnpike Northeast Extension

    74.4 mi · 1 hr 21 min · Pennsylvania Turnpike Northeast Extension

  15. 15

    Take the exit slight right toward PA 940, I 80: Hazleton, Mount Pocono

    1.1 km · 2 min

  16. 16

    Keep slight left

    879 ft · 24 sec

  17. 17

    Keep slight right to continue on I 80 West: Hazleton

    1650 ft · 40 sec

  18. 18

    Merge slight left onto Keystone Shortway

    65.8 mi · 1 hr 13 min · Keystone Shortway

  19. 19

    Take the exit slight right toward US 15: Lewisburg, Williamsport

    1568 ft · 38 sec

  20. 20

    Keep slight right to continue on US 15 North: Williamsport

    1888 ft · 41 sec

  21. 21

    Merge slight left onto Westbranch Highway

    2.6 mi · 4 min · Westbranch Highway

  22. 22

    Continue on US Highway 15

    11.7 mi · 17 min · US Highway 15

  23. 23

    Continue on Montgomery Pike

    1.1 mi · 2 min · Montgomery Pike

  24. 24

    Continue on Hastings Street

    3122 ft · 1 min · Hastings Street

  25. 25

    Continue on Market Street

    1 km · 1 min · Market Street

  26. 26

    Arrive at your destination

    0 m · 1 sec · Market Street

Car Route Details

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

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
26 steps
8 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
15.9 / 100 mi
Decision points by distance
Main Roads
Pennsylvania Turnpike Northeast Extension
74.4 mi · 45%
Keystone Shortway
65.8 mi · 40%
US Highway 15
11.7 mi · 7%
Westbranch Highway
2.62 mi · 2%
Plymouth Road
1.93 mi · 1%
Montgomery Pike
1.11 mi · 1%
Longest Stretch

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.

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
03h 14m
Long day trip
Same-Day Return
06h 30m
Round-trip wheel time
Road vs Air
+47.4 mi
116.4 mi direct line
Halfway Stop
East Side
01h 37m from Norristown
Leave By
10:30 AM EDT
Early departure recommended
Weather Watch

Slight Chance Rain Showers leaving Norristown and Partly Cloudy near Williamsport.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Norristown to Williamsport?

The road trip is about 163.8 miles (263.6 km) and usually takes 03h 14m 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?

East Side is a useful midpoint, sitting about 81.8 miles from Norristown and 82 miles from Williamsport.

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

The direct path is about 116.4 miles (187.4 km), while the road route adds roughly 47.4 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 10:30 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.62 one way or $47.23 round trip. Estimated CO2 is about 51.4 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Norristown and Partly Cloudy near Williamsport.

Stop Ideas Near East Side

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

Mid-route Guidance
Local place coverage is thin around East Side, 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 East Side.

BUS

White Haven, PA

6 mi away
I-476, Exit 95/I-80, Exit 277, at Hwy 940
BUS

Wilkes-Barre, PA

23 mi away
47 South Washington Street
BUS

Scranton, PA

40 mi away
23 Lackawanna Avenue
RAIL

Paoli

116 mi away
13 Lancaster Ave.

Flight Path Map

This map shows the direct air route between Norristown and Williamsport. Straight-line distance: 116.44 mi (187.4 km).

Norristown

#1 Norristown

County seat of Montgomery County, Pennsylvania, United States

Population34,323
Coordinates40.1215000, -75.3399000
Altitude48
CountryUnited States
Williamsport

#2 Williamsport

County seat of Lycoming County, Pennsylvania, United States

Population28,156
Coordinates41.2411900, -77.0010800
Altitude158
CountryUnited States
Start: Norristown (-75.3399, 40.1215)
End: Williamsport (-77.00108, 41.24119)

Estimated Travel Time

Distance: 264 km by road

SpeedTime
30 mph (48.3 km/h)05h 27m
40 mph (64.37 km/h)04h 05m
50 mph (80.47 km/h)03h 16m
60 mph (96.56 km/h)02h 43m
70 mph (112.65 km/h)02h 20m
80 mph (129 km/h)02h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.78 gal
21.88 L · about $23.62
Round trip
$47.23
11.56 gal · 43.76 L
Estimated CO2
51.4 kg one way
Round trip: 102.7 kg / 226 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $23.62 $47.23
Mid-grade $4.60 $26.58 $53.16
Premium $4.95 $28.63 $57.27
Diesel $5.98 $34.56 $69.13

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 · Jun 01, 2026

There is no time difference between Norristown and Williamsport. The current time is 19:18:04.

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.