How far is Brentwood, PA from Allentown, PA?

The driving distance from Brentwood, PA to Allentown, PA is about 281.5 miles (453 km), with a travel time of about 04h 38m by car.

  • The straight-line flight distance is about 236.2 miles (380.1 km).
  • For a round trip, plan for roughly 09h 17m 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
281.47 mi
04h 38m
Flight
236.2 mi
380.13 km direct

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

Learn Distance

Choose another destination from Brentwood.

Flight Distance

Direct air line
236.2 mi
Kilometers
380.13 km
Flight Time
00h 28m

Driving Distance

Road route
281.47 mi
Kilometers
452.99 km
Drive Time
04h 38m

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 38m.

Arrival Snapshot
Arrive in Allentown
Sun, Apr 19, 8:36 AM EDT
Return by in Brentwood
Sun, Apr 19, 1:15 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Brentwood
2026-04-19T03:58
Arrive Allentown
Sun, Apr 19, 8:36 AM EDT
Route Timing
04h 38m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:39 AM to 12:39 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
7:42 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Brentwood
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 Brentwood
137.7 mi
02h 19m
To Allentown
143.8 mi
02h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
12 to 20 mph W
Destination
64°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
5 to 15 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East Willock Road

    1.1 km · 2 min · East Willock Road

  2. 2

    Turn slight left onto Prospect Road

    1.3 km · 2 min · Prospect Road

  3. 3

    Continue on Streets Run Road

    842 ft · 28 sec · Streets Run Road

  4. 4

    Turn slight left onto Delwar Road

    1.2 km · 2 min · Delwar Road

  5. 5

    Turn left onto Lebanon Church Road

    1.8 mi · 3 min · Lebanon Church Road

  6. 6

    Keep slight right to continue on Lebanon Church Road

    1 mi · 2 min · Lebanon Church Road

  7. 7

    Turn slight right onto Pittsburgh McKeesport Boulevard

    2553 ft · 45 sec · Pittsburgh McKeesport Boulevard

  8. 8

    Continue on Richland Avenue

    2095 ft · 35 sec · Richland Avenue

  9. 9

    Continue on W.D. Mansfield Memorial Bridge

    1876 ft · 32 sec · W.D. Mansfield Memorial Bridge

  10. 10

    Keep slight left

    2.1 mi · 4 min

  11. 11

    Continue on 5th Avenue

    1.5 km · 2 min · 5th Avenue

  12. 12

    Turn right onto Lincoln Way

    5.9 mi · 10 min · Lincoln Way

  13. 13

    Continue on Lincoln Way

    1765 ft · 38 sec · Lincoln Way

  14. 14

    Turn slight right onto Lincoln Highway

    3.3 mi · 6 min · Lincoln Highway

  15. 15

    Take the exit straight toward PATP, I 76

    988 ft · 24 sec

  16. 16

    Continue on PATP, I 76

    876 ft · 22 sec

  17. 17

    Keep slight right to continue on I 76 East: Harrisburg

    1814 ft · 44 sec

  18. 18

    Merge slight left onto Pennsylvania Turnpike

    159.5 mi · 2 hr 56 min · Pennsylvania Turnpike

  19. 19

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

    1.4 km · 2 min

  20. 20

    Keep slight left to continue on US 11 North: Harrisburg

    1712 ft · 55 sec

  21. 21

    Continue on Harrisburg Pike

    1.1 mi · 2 min · Harrisburg Pike

  22. 22

    Take the exit straight toward I 81 North: Harrisburg

    1358 ft · 34 sec

  23. 23

    Merge slight left

    12.7 mi · 15 min

  24. 24

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

    931 ft · 14 sec

  25. 25

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

    1828 ft · 28 sec

  26. 26

    Keep slight left

    2072 ft · 32 sec

  27. 27

    Merge slight left onto George N. Wade Memorial Bridge

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

  28. 28

    Continue on American Legion Memorial Highway

    3.4 mi · 5 min · American Legion Memorial Highway

  29. 29

    Keep slight left to continue on American Legion Memorial Highway

    19.1 mi · 23 min · American Legion Memorial Highway

  30. 30

    Take the exit slight right toward I 78 East: Allentown

    1.1 km · 45 sec

  31. 31

    Continue on 78th Division Highway

    7.6 mi · 9 min · 78th Division Highway

  32. 32

    Continue on William Penn Highway

    42.8 mi · 51 min · William Penn Highway

  33. 33

    Keep slight right to continue on Lehigh Valley Thruway

    1.5 km · 1 min · Lehigh Valley Thruway

  34. 34

    Take the exit slight right toward Cetronia

    1053 ft · 27 sec

  35. 35

    Turn straight onto Tilghman Street

    4.9 mi · 8 min · Tilghman Street

  36. 36

    Arrive at your destination

    0 m · 1 sec · Tilghman Street

Car Route Details

A richer read on the saved driving route between Brentwood 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
36 steps
8 turns on the saved route
Ramps & Exits
9
3 merges, 6 ramps or exits
Navigation Density
12.8 / 100 mi
Decision points by distance
Main Roads
Pennsylvania Turnpike
160 mi · 57%
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%
Lincoln Way
6.19 mi · 2%
Longest Stretch

Pennsylvania Turnpike

Merge slight left onto Pennsylvania Turnpike

160 mi · 02h 56m

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 38m
Long day trip
Same-Day Return
09h 18m
Round-trip wheel time
Road vs Air
+45.3 mi
236.2 mi direct line
Halfway Stop
Metal
02h 19m from Brentwood
Leave By
7:42 AM EDT
Early departure recommended
Weather Watch

Chance Rain Showers leaving Brentwood and Rain Showers Likely near Allentown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 281.5 miles (453 km) and usually takes 04h 38m 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 137.7 miles from Brentwood and 143.8 miles from Allentown.

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

The direct path is about 236.2 miles (380.1 km), while the road route adds roughly 45.3 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 7:42 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $40.57 one way or $81.15 round trip. Estimated CO2 is about 88.2 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Brentwood and Rain Showers Likely 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 Brentwood and Allentown. Straight-line distance: 236.2 mi (380.13 km).

Brentwood

#1 Brentwood

Borough in Allegheny County, Pennsylvania, United States

Population9,203
Coordinates40.3706300, -79.9747700
Altitude360
CountryUnited States
Allentown

#2 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Start: East Willock Road (-79.974897, 40.370393)
End: Tilghman Street (-75.490007, 40.608068)

Estimated Travel Time

Distance: 453 km by road

SpeedTime
30 mph (48.3 km/h)09h 22m
40 mph (64.37 km/h)07h 02m
50 mph (80.47 km/h)05h 37m
60 mph (96.56 km/h)04h 41m
70 mph (112.65 km/h)04h 01m
80 mph (129 km/h)03h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.93 gal
37.6 L · about $40.57
Round trip
$81.15
19.86 gal · 75.2 L
Estimated CO2
88.2 kg one way
Round trip: 176.5 kg / 389 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $40.57 $81.15
Mid-grade $4.60 $45.67 $91.34
Premium $4.95 $49.19 $98.39
Diesel $5.98 $59.38 $118.76

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 19, 2026

There is no time difference between Brentwood and Allentown. The current time is 03:58:12.

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.