How far is Tarentum, PA from Allentown, PA?

The driving distance from Tarentum, PA to Allentown, PA is about 283.7 miles (456.6 km), with a travel time of about 04h 40m by car.

  • The straight-line flight distance is about 223.9 miles (360.4 km).
  • For a round trip, plan for roughly 09h 20m 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
283.73 mi
04h 40m
Flight
223.95 mi
360.41 km direct

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

Learn Distance

Choose another destination from Tarentum.

Flight Distance

Direct air line
223.95 mi
Kilometers
360.41 km
Flight Time
00h 27m

Driving Distance

Road route
283.73 mi
Kilometers
456.62 km
Drive Time
04h 40m

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 40m.

Arrival Snapshot
Arrive in Allentown
Sat, Apr 18, 4:49 AM EDT
Return by in Tarentum
Sat, Apr 18, 9:29 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Tarentum
2026-04-18T00:09
Arrive Allentown
Sat, Apr 18, 4:49 AM EDT
Route Timing
04h 40m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:40 AM to 12:40 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
7:40 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Tarentum
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
Metal
PA

Township in Franklin County, Pennsylvania

From Tarentum
141.4 mi
02h 20m
To Allentown
142.3 mi
02h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Saturday

Slight Chance Rain Showers then Chance Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 12 mph S
Destination
77°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
0 to 5 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East Street

    59 m · 8 sec · East Street

  2. 2

    Turn right onto West 7th Avenue

    1.1 km · 2 min · West 7th Avenue

  3. 3

    Continue on Freeport Road

    3273 ft · 1 min · Freeport Road

  4. 4

    Turn right onto Baileys Run Road

    1229 ft · 44 sec · Baileys Run Road

  5. 5

    Take the ramp right

    1222 ft · 30 sec

  6. 6

    Merge slight left onto Allegheny Valley Expressway

    2.9 mi · 4 min · Allegheny Valley Expressway

  7. 7

    Take the exit slight right toward Cheswick, Springdale

    1293 ft · 36 sec

  8. 8

    Keep slight right to continue on Russellton

    46 m · 4 sec

  9. 9

    Turn straight onto Hite Road

    1773 ft · 50 sec · Hite Road

  10. 10

    Turn left onto Russellton Road

    1 km · 1 min · Russellton Road

  11. 11

    Continue on Little Deer Creek Valley Road

    1599 ft · 54 sec · Little Deer Creek Valley Road

  12. 12

    Continue on Pearl Avenue

    1073 ft · 42 sec · Pearl Avenue

  13. 13

    At the end of the road, turn right onto Freeport Road

    1590 ft · 38 sec · Freeport Road

  14. 14

    Take the ramp slight right toward PATP

    1318 ft · 32 sec

  15. 15

    Keep slight right to continue on I 76 East: Harrisburg

    1020 ft · 25 sec

  16. 16

    Merge slight left onto Pennsylvania Turnpike

    179.5 mi · 3 hr 17 min · Pennsylvania Turnpike

  17. 17

    Take the exit slight right toward I 81, US 11: Carlisle, Harrisburg

    1.4 km · 2 min

  18. 18

    Keep slight left to continue on US 11 North: Harrisburg

    1712 ft · 55 sec

  19. 19

    Continue on Harrisburg Pike

    1.1 mi · 2 min · Harrisburg Pike

  20. 20

    Take the exit straight toward I 81 North: Harrisburg

    1358 ft · 34 sec

  21. 21

    Merge slight left

    12.7 mi · 15 min

  22. 22

    Take the exit slight right toward US 11, US 15: Enola, Marysville

    931 ft · 14 sec

  23. 23

    Keep slight left to continue on US 11 North, US 15 North: Marysville

    1828 ft · 28 sec

  24. 24

    Keep slight left

    2072 ft · 32 sec

  25. 25

    Merge slight left onto George N. Wade Memorial Bridge

    1.2 km · 1 min · George N. Wade Memorial Bridge

  26. 26

    Continue on American Legion Memorial Highway

    3.4 mi · 5 min · American Legion Memorial Highway

  27. 27

    Keep slight left to continue on American Legion Memorial Highway

    19.1 mi · 23 min · American Legion Memorial Highway

  28. 28

    Take the exit slight right toward I 78 East: Allentown

    1.1 km · 45 sec

  29. 29

    Continue on 78th Division Highway

    7.6 mi · 9 min · 78th Division Highway

  30. 30

    Continue on William Penn Highway

    42.8 mi · 51 min · William Penn Highway

  31. 31

    Keep slight right to continue on Lehigh Valley Thruway

    1.5 km · 1 min · Lehigh Valley Thruway

  32. 32

    Take the exit slight right toward Cetronia

    1053 ft · 27 sec

  33. 33

    Turn straight onto Tilghman Street

    4.9 mi · 8 min · Tilghman Street

  34. 34

    Arrive at your destination

    0 m · 1 sec · Tilghman Street

Car Route Details

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

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
34 steps
7 turns on the saved route
Ramps & Exits
12
4 merges, 8 ramps or exits
Navigation Density
12 / 100 mi
Decision points by distance
Main Roads
Pennsylvania Turnpike
179 mi · 63%
William Penn Highway
42.8 mi · 15%
American Legion Memorial Highway
22.5 mi · 8%
I 81 North
12.9 mi · 5%
78th Division Highway
7.61 mi · 3%
Tilghman Street
4.95 mi · 2%
Longest Stretch

Pennsylvania Turnpike

Merge slight left onto Pennsylvania Turnpike

179 mi · 03h 17m

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 40m
Long day trip
Same-Day Return
09h 20m
Round-trip wheel time
Road vs Air
+59.8 mi
223.9 mi direct line
Halfway Stop
Metal
02h 20m from Tarentum
Leave By
7:40 AM EDT
Early departure recommended
Weather Watch

Slight Chance Rain Showers then Chance Showers And Thunderstorms leaving Tarentum and Mostly Sunny near Allentown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 283.7 miles (456.6 km) and usually takes 04h 40m 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?

Metal is a useful midpoint, sitting about 141.4 miles from Tarentum and 142.3 miles from Allentown.

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

The direct path is about 223.9 miles (360.4 km), while the road route adds roughly 59.8 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 7:40 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $40.90 one way or $81.80 round trip. Estimated CO2 is about 89 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers then Chance Showers And Thunderstorms around Tarentum and Mostly Sunny near Allentown.

Stop Ideas Near Metal

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

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

BUS

Hancock, MD

42 mi away
434 East Main Street
BUS

Hagerstown, MD

43 mi away
123 West Franklin Street
RAIL

Huntingdon

53 mi away
Fourth and Allegheny Sts.
RAIL

Martinsburg station

62 mi away
229 East Martin St.

Flight Path Map

This map shows the direct air route between Tarentum and Allentown. Straight-line distance: 223.95 mi (360.41 km).

Tarentum

#1 Tarentum

Borough of Pennsylvania

Population4,338
Coordinates40.6014600, -79.7597700
Altitude242
CountryUnited States
Allentown

#2 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Start: East Street (-79.75977, 40.60146)
End: Tilghman Street (-75.490007, 40.608068)

Estimated Travel Time

Distance: 457 km by road

SpeedTime
30 mph (48.3 km/h)09h 27m
40 mph (64.37 km/h)07h 05m
50 mph (80.47 km/h)05h 40m
60 mph (96.56 km/h)04h 43m
70 mph (112.65 km/h)04h 03m
80 mph (129 km/h)03h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.01 gal
37.9 L · about $40.90
Round trip
$81.80
20.02 gal · 75.8 L
Estimated CO2
89 kg one way
Round trip: 177.9 kg / 392 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $40.90 $81.80
Mid-grade $4.60 $46.04 $92.07
Premium $4.95 $49.59 $99.18
Diesel $5.98 $59.86 $119.72

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 · Apr 18, 2026

There is no time difference between Tarentum and Allentown. The current time is 00:09:04.

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.