How far is Seneca, PA from Philadelphia, PA?

The driving distance from Seneca, PA to Philadelphia, PA is about 314 miles (505.4 km), with a travel time of about 05h 31m by car.

  • The straight-line flight distance is about 257.5 miles (414.4 km).
  • For a round trip, plan for roughly 11h 03m 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
314.02 mi
05h 31m
Flight
257.5 mi
414.41 km direct

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

Learn Distance

Choose another destination from Seneca.

Flight Distance

Direct air line
257.5 mi
Kilometers
414.41 km
Flight Time
00h 31m

Driving Distance

Road route
314.02 mi
Kilometers
505.36 km
Drive Time
05h 31m

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 31m.

Arrival Snapshot
Arrive in Philadelphia
Thu, Oct 15, 6:25 PM EDT
Return by in Seneca
Thu, Oct 15, 11:57 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Seneca
2026-10-15T12:53
Arrive Philadelphia
Thu, Oct 15, 6:25 PM EDT
Route Timing
05h 31m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:32 AM to 1:32 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
5:56 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Seneca
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
Spring Garden
PA

Human settlement in Pennsylvania, United States of America

From Seneca
164.9 mi
02h 45m
To Philadelphia
149.1 mi
02h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
6 mph E
Destination
69°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 mph NE

Driving Route Map

The map below follows the saved road route between Seneca and Philadelphia.

Turn-by-Turn Driving Directions

Step-by-step road directions between Seneca and Philadelphia.

  1. 1

    Start on Pennsylvania Highway 257

    2 mi · 4 min · Pennsylvania Highway 257

  2. 2

    Turn left onto Twenty-Eighth Division Highway

    2.5 mi · 4 min · Twenty-Eighth Division Highway

  3. 3

    Continue on US Highway 322

    12.4 mi · 18 min · US Highway 322

  4. 4

    Continue on Main Street

    5.1 mi · 8 min · Main Street

  5. 5

    Continue on West Main Street

    1.7 mi · 3 min · West Main Street

  6. 6

    Continue on Twenty-Eighth Division Highway

    1.6 mi · 3 min · Twenty-Eighth Division Highway

  7. 7

    Continue on Main Street

    1.6 km · 1 min · Main Street

  8. 8

    Continue on Route 322

    4.1 mi · 6 min · Route 322

  9. 9

    Take the ramp slight right

    1371 ft · 34 sec

  10. 10

    Merge slight left onto Keystone Shortway

    205.8 mi · 3 hr 43 min · Keystone Shortway

  11. 11

    Take the exit slight right toward PA 940, PATP, I 476: Wilkes-Barre, Allentown

    1.1 km · 1 min

  12. 12

    Keep slight left

    1217 ft · 32 sec

  13. 13

    Keep slight right to continue on I 476 South: Allentown

    1303 ft · 32 sec

  14. 14

    Merge slight left onto Pennsylvania Turnpike Northeast Extension

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

  15. 15

    Continue on Pennsylvania Turnpike Northeast Extension

    1558 ft · 24 sec · Pennsylvania Turnpike Northeast Extension

  16. 16

    Keep slight left to continue on Pennsylvania Turnpike Northeast Extension

    1179 ft · 18 sec · Pennsylvania Turnpike Northeast Extension

  17. 17

    Continue on Mid-County Expressway

    3.4 mi · 5 min · Mid-County Expressway

  18. 18

    Take the exit slight right toward I 76 East, I 76 West: Philadelphia, Valley Forge

    1758 ft · 43 sec

  19. 19

    Keep slight left to continue on I 76 East: Philadelphia

    1722 ft · 42 sec

  20. 20

    Merge slight right onto Schuylkill Expressway

    12.6 mi · 18 min · Schuylkill Expressway

  21. 21

    Keep slight left to continue on Vine Street Expressway

    1.3 km · 1 min · Vine Street Expressway

  22. 22

    Take the exit slight right toward Central Philadelphia

    731 ft · 18 sec

  23. 23

    Keep slight right to continue on 15th Street, Central Philadelphia

    96 m · 11 sec

  24. 24

    Turn right onto North 15th Street

    1987 ft · 49 sec · North 15th Street

  25. 25

    Turn slight left onto South Penn Square

    115 m · 9 sec · South Penn Square

  26. 26

    Keep slight left to continue on South Penn Square

    51 m · 3 sec · South Penn Square

  27. 27

    Arrive at your destination

    0 m · 1 sec · South Penn Square

Car Route Details

A richer read on the saved driving route between Seneca and Philadelphia.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
27 steps
6 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
8.6 / 100 mi
Decision points by distance
Main Roads
Keystone Shortway
206 mi · 66%
Pennsylvania Turnpike Northeast Extension
75.1 mi · 24%
Schuylkill Expressway
12.6 mi · 4%
US Highway 322
12.4 mi · 4%
Main Street
6.1 mi · 2%
Route 322
4.39 mi · 1%
Longest Stretch

Keystone Shortway

Merge slight left onto Keystone Shortway

206 mi · 03h 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 31m
Long day trip
Same-Day Return
11h 04m
Round-trip wheel time
Road vs Air
+56.5 mi
257.5 mi direct line
Halfway Stop
Spring Garden
02h 45m from Seneca
Leave By
5:56 AM EDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Seneca and Mostly Sunny near Philadelphia.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Seneca to Philadelphia?

The road trip is about 314 miles (505.4 km) and usually takes 05h 31m 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?

Spring Garden is a useful midpoint, sitting about 164.9 miles from Seneca and 149.1 miles from Philadelphia.

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

The direct path is about 257.5 miles (414.4 km), while the road route adds roughly 56.5 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 5:56 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $49.46 one way or $98.92 round trip. Estimated CO2 is about 98.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Seneca and Mostly Sunny near Philadelphia.

Stop Ideas Near Spring Garden

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

Mid-route Guidance
Local place coverage is thin around Spring Garden, 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 Spring Garden.

RAIL

Lewistown

80 mi away
150 Helen Street
BUS

Wilkes-Barre, PA

89 mi away
47 South Washington Street
RAIL

Harrisburg Transportation Center

95 mi away
4th and Chestnut Streets
BUS

White Haven, PA

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

Flight Path Map

This map shows the direct air route between Seneca and Philadelphia. Straight-line distance: 257.5 mi (414.41 km).

Photo coming soon

#1 Seneca

Situated in the northwestern region of Pennsylvania, this census-designated place lies within Venango County at an elevation of approximately 1,453 feet above sea level.

Population0
Coordinates41.3786700, -79.7039400
Altitude443
CountryUnited States
Philadelphia

#2 Philadelphia

The sixth most populous city in the United States and the center of the Philadelphia metropolitan area.

Population1,578,487
Coordinates39.9523300, -75.1637900
Altitude12
CountryUnited States
Start: PA 257 (-79.70383, 41.378671)
End: South Penn Square (-75.163922, 39.951648)

Estimated Travel Time

Distance: 505 km by road

SpeedTime
30 mph (48.3 km/h)10h 27m
40 mph (64.37 km/h)07h 51m
50 mph (80.47 km/h)06h 16m
60 mph (96.56 km/h)05h 14m
70 mph (112.65 km/h)04h 29m
80 mph (129 km/h)03h 55m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.08 gal
41.94 L · about $49.46
Round trip
$98.92
22.16 gal · 83.88 L
Estimated CO2
98.5 kg one way
Round trip: 196.9 kg / 434 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.46 $49.46 $98.92
Mid-grade $4.93 $54.57 $109.14
Premium $5.31 $58.78 $117.56
Diesel $6.55 $72.57 $145.15

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 · Oct 15, 2026

There is no time difference between Seneca and Philadelphia. The current time is 12:53:14.

Distance to Other Cities

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