How far is Knox, PA from Allentown, PA?

The driving distance from Knox, PA to Allentown, PA is about 259.2 miles (417.1 km), with a travel time of about 04h 33m by car.

  • The straight-line flight distance is about 215.7 miles (347.1 km).
  • For a round trip, plan for roughly 09h 07m 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
259.2 mi
04h 33m
Flight
215.65 mi
347.05 km direct

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

Learn Distance

Choose another destination from Knox.

Flight Distance

Direct air line
215.65 mi
Kilometers
347.05 km
Flight Time
00h 26m

Driving Distance

Road route
259.2 mi
Kilometers
417.14 km
Drive Time
04h 33m

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 04h 33m.

Arrival Snapshot
Arrive in Allentown
Mon, May 18, 6:12 PM EDT
Return by in Knox
Mon, May 18, 10:46 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Knox
2026-05-18T13:38
Arrive Allentown
Mon, May 18, 6:12 PM EDT
Route Timing
04h 33m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:34 AM to 12:34 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
7:52 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Knox
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
Castanea
PA

Township in Clinton County, Pennsylvania

From Knox
129.4 mi
02h 16m
To Allentown
129.9 mi
02h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Monday

Sunny

Starts
Mon, May 18 6:00 AM EDT
Wind
3 to 10 mph S
Destination
93°F
Monday

Sunny

Starts
Mon, May 18 6:00 AM EDT
Wind
0 to 5 mph S

Driving Route Map

The map below follows the saved road route between Knox and Allentown.

Turn-by-Turn Driving Directions

Step-by-step road directions between Knox and Allentown.

  1. 1

    Start on Main Street

    2456 ft · 1 min · Main Street

  2. 2

    Continue on Knox Road

    1 mi · 3 min · Knox Road

  3. 3

    Turn right

    1.6 mi · 3 min

  4. 4

    Turn left onto Canoe Ripple Road

    1.2 km · 2 min · Canoe Ripple Road

  5. 5

    Take the ramp left

    1993 ft · 49 sec

  6. 6

    Merge slight left onto Keystone Shortway

    169.6 mi · 3 hr 2 min · Keystone Shortway

  7. 7

    Take the exit slight right toward PA 54: Danville, Washingtonville

    1080 ft · 27 sec

  8. 8

    Turn slight left

    24 m · 3 sec

  9. 9

    Turn right onto Continental Boulevard

    2.9 mi · 4 min · Continental Boulevard

  10. 10

    Continue on Factory Street

    716 ft · 20 sec · Factory Street

  11. 11

    Continue on Danville-Riverside Bridge Road

    1799 ft · 49 sec · Danville-Riverside Bridge Road

  12. 12

    Turn left onto Elysburg Road

    9.7 mi · 11 min · Elysburg Road

  13. 13

    Continue on State Route 54

    11.1 mi · 13 min · State Route 54

  14. 14

    Continue on Locust Gap Highway

    1897 ft · 42 sec · Locust Gap Highway

  15. 15

    Continue on Fairgrounds Road

    2.2 mi · 2 min · Fairgrounds Road

  16. 16

    Continue on Sunbury Road

    9.4 mi · 11 min · Sunbury Road

  17. 17

    Continue on Sunbury Street

    1.2 km · 1 min · Sunbury Street

  18. 18

    Turn right onto Pottsville Minersville Highway

    1.8 mi · 2 min · Pottsville Minersville Highway

  19. 19

    Turn right onto Gordon Nagle Trail

    4 mi · 7 min · Gordon Nagle Trail

  20. 20

    Continue on North Sillyman Street

    1281 ft · 33 sec · North Sillyman Street

  21. 21

    Turn left onto Pottsville Street

    1.1 km · 2 min · Pottsville Street

  22. 22

    Turn right onto Route 61 South

    150 m · 6 sec · Route 61 South

  23. 23

    Continue on Center Avenue

    10.6 mi · 13 min · Center Avenue

  24. 24

    Continue on Centre Street

    2.7 mi · 4 min · Centre Street

  25. 25

    Take the exit slight right toward I 78 East, US 22 East: Allentown

    1423 ft · 41 sec

  26. 26

    Merge slight left onto William Penn Highway

    21.6 mi · 27 min · William Penn Highway

  27. 27

    Keep slight right to continue on Lehigh Valley Thruway

    1.5 km · 1 min · Lehigh Valley Thruway

  28. 28

    Take the exit slight right toward Cetronia

    1053 ft · 27 sec

  29. 29

    Turn straight onto Tilghman Street

    4.9 mi · 8 min · Tilghman Street

  30. 30

    Arrive at your destination

    0 m · 1 sec · Tilghman Street

Car Route Details

A richer read on the saved driving route between Knox and Allentown.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
30 steps
10 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
11.6 / 100 mi
Decision points by distance
Main Roads
Keystone Shortway
170 mi · 65%
William Penn Highway
21.6 mi · 8%
State Route 54
11.1 mi · 4%
Center Avenue
10.6 mi · 4%
Elysburg Road
9.74 mi · 4%
Sunbury Road
9.37 mi · 4%
Longest Stretch

Keystone Shortway

Merge slight left onto Keystone Shortway

170 mi · 03h 02m

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
04h 33m
Long day trip
Same-Day Return
09h 08m
Round-trip wheel time
Road vs Air
+43.5 mi
215.7 mi direct line
Halfway Stop
Castanea
02h 16m from Knox
Leave By
7:52 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Knox and Sunny near Allentown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Knox to Allentown?

The road trip is about 259.2 miles (417.1 km) and usually takes 04h 33m 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?

Castanea is a useful midpoint, sitting about 129.4 miles from Knox and 129.9 miles from Allentown.

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

The direct path is about 215.7 miles (347.1 km), while the road route adds roughly 43.5 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 7:52 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $37.39 one way or $74.77 round trip. Estimated CO2 is about 81.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Knox and Sunny near Allentown.

Stop Ideas Near Castanea

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

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

RAIL

Lewistown

61 mi away
150 Helen Street
RAIL

Tyrone

85 mi away
Pennsylvania Ave and West 10th St.
RAIL

Huntingdon

87 mi away
Fourth and Allegheny Sts.
RAIL

Altoona Transportation Center

106 mi away
1231 11th Avenue

Flight Path Map

This map shows the direct air route between Knox and Allentown. Straight-line distance: 215.65 mi (347.05 km).

Photo coming soon

#1 Knox

Borough of Pennsylvania

Population1,067
Coordinates41.2345100, -79.5372700
Altitude424
CountryUnited States
Allentown

#2 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Start: Main Street (-79.537248, 41.234509)
End: Tilghman Street (-75.490007, 40.608068)

Estimated Travel Time

Distance: 417 km by road

SpeedTime
30 mph (48.3 km/h)08h 38m
40 mph (64.37 km/h)06h 28m
50 mph (80.47 km/h)05h 11m
60 mph (96.56 km/h)04h 19m
70 mph (112.65 km/h)03h 42m
80 mph (129 km/h)03h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.15 gal
34.62 L · about $37.39
Round trip
$74.77
18.3 gal · 69.24 L
Estimated CO2
81.3 kg one way
Round trip: 162.6 kg / 358 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $37.39 $74.77
Mid-grade $4.60 $42.08 $84.16
Premium $4.95 $45.33 $90.66
Diesel $5.98 $54.72 $109.43

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 18, 2026

There is no time difference between Knox and Allentown. The current time is 13:38:50.

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.