How far is Stonybrook, PA from Allentown, PA?

The driving distance from Stonybrook, PA to Allentown, PA is about 84.9 miles (136.7 km), with a travel time of about 01h 39m by car.

  • The straight-line flight distance is about 74.4 miles (119.8 km).
  • For a round trip, plan for roughly 03h 19m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
84.94 mi
01h 39m
Flight
74.44 mi
119.8 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Stonybrook.

Flight Distance

Direct air line
74.44 mi
Kilometers
119.8 km
Flight Time
00h 08m

Driving Distance

Road route
84.94 mi
Kilometers
136.7 km
Drive Time
01h 39m

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 01h 39m.

Arrival Snapshot
Arrive in Allentown
Wed, Nov 11, 12:15 AM EST
Return by in Stonybrook
Wed, Nov 11, 1:55 AM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Stonybrook
2026-11-10T22:35
Arrive Allentown
Wed, Nov 11, 12:15 AM EST
Route Timing
01h 39m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
9:40 AM to 11:40 AM EST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:10 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Stonybrook
9:30 PM EST
Morning start is best

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
Mohnton
PA

Borough of Pennsylvania

From Stonybrook
41.9 mi
00h 49m
To Allentown
43.1 mi
00h 49m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
40°F
Tonight

Clear

Starts
Tue, Nov 10 6:00 PM EST
Wind
2 to 7 mph W
Destination
63°F
Tuesday

Mostly Sunny

Starts
Tue, Nov 10 6:00 AM EST
Wind
5 to 15 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Lincoln Highway

    24 m · 1 sec · Lincoln Highway

  2. 2

    Continue on East Market Street

    3273 ft · 1 min · East Market Street

  3. 3

    Continue on Lincoln Highway

    1.2 mi · 2 min · Lincoln Highway

  4. 4

    Turn left onto Kreutz Creek Road

    1147 ft · 21 sec · Kreutz Creek Road

  5. 5

    Take the ramp right toward US 30 East: Lancaster

    1565 ft · 38 sec

  6. 6

    Merge slight left

    17.9 mi · 24 min

  7. 7

    Take the exit slight right toward US 222 North: Reading

    19.6 mi · 24 min

  8. 8

    Continue straight

    11 mi · 15 min

  9. 9

    Take the exit slight right toward PA 61 North: Centre Avenue

    829 ft · 49 sec

  10. 10

    Turn straight onto Centre Avenue

    1.1 mi · 2 min · Centre Avenue

  11. 11

    Turn right onto Bellevue Avenue

    2052 ft · 47 sec · Bellevue Avenue

  12. 12

    Turn left onto North 5th Street Highway

    1.5 mi · 2 min · North 5th Street Highway

  13. 13

    Continue on Allentown Pike

    2.5 mi · 4 min · Allentown Pike

  14. 14

    Merge slight left onto Kutztown Road

    1156 ft · 22 sec · Kutztown Road

  15. 15

    Continue on Allentown Pike

    1.1 mi · 2 min · Allentown Pike

  16. 16

    Enter the roundabout and take exit 2 toward Allentown Pike

    49 m · 7 sec · Allentown Pike

  17. 17

    Exit the roundabout onto Allentown Pike

    2112 ft · 47 sec · Allentown Pike

  18. 18

    Enter the roundabout and take exit 2 toward Allentown Pike

    37 m · 5 sec · Allentown Pike

  19. 19

    Exit the roundabout onto Allentown Pike

    1.6 mi · 2 min · Allentown Pike

  20. 20

    Continue on Kutztown Road

    1.1 mi · 2 min · Kutztown Road

  21. 21

    Continue on Allentown Pike

    2092 ft · 40 sec · Allentown Pike

  22. 22

    Enter the roundabout and take exit 2 toward Kutztown Road

    42 m · 2 sec · Kutztown Road

  23. 23

    Exit the roundabout onto Kutztown Road

    1.5 mi · 2 min · Kutztown Road

  24. 24

    Keep slight left

    8.7 mi · 11 min

  25. 25

    Enter the roundabout and take exit 2 toward Hamilton Boulevard

    49 m · 2 sec · Hamilton Boulevard

  26. 26

    Exit the roundabout onto Hamilton Boulevard

    2.4 mi · 3 min · Hamilton Boulevard

  27. 27

    Turn straight onto Trexlertown Bypass

    5.7 mi · 8 min · Trexlertown Bypass

  28. 28

    Continue on West Hamilton Boulevard

    2.1 mi · 4 min · West Hamilton Boulevard

  29. 29

    Continue on Hamilton Street

    1.3 mi · 2 min · Hamilton Street

  30. 30

    Turn left onto North 15th Street

    1.1 km · 2 min · North 15th Street

  31. 31

    Turn right onto Tilghman Street

    765 ft · 15 sec · Tilghman Street

  32. 32

    Arrive at your destination

    0 m · 1 sec · Tilghman Street

Car Route Details

A richer read on the saved driving route between Stonybrook 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
32 steps
15 turns on the saved route
Ramps & Exits
13
2 merges, 11 ramps or exits
Navigation Density
37.7 / 100 mi
Decision points by distance
Main Roads
US 222 North
30.5 mi · 36%
US 30 East
18.2 mi · 21%
Kutztown Road
11.6 mi · 14%
Allentown Pike
6.02 mi · 7%
Trexlertown Bypass
5.68 mi · 7%
Hamilton Boulevard
2.47 mi · 3%
Longest Stretch

US 222 North

Take the exit slight right toward US 222 North: Reading

19.6 mi · 00h 24m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 39m
Day trip friendly
Same-Day Return
03h 20m
Round-trip wheel time
Road vs Air
+10.5 mi
74.4 mi direct line
Halfway Stop
Mohnton
00h 49m from Stonybrook
Leave By
3:10 PM EST
Morning start is best
Weather Watch

Clear leaving Stonybrook 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 Stonybrook to Allentown?

The road trip is about 84.9 miles (136.7 km) and usually takes 01h 39m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Mohnton is a useful midpoint, sitting about 41.9 miles from Stonybrook and 43.1 miles from Allentown.

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

The direct path is about 74.4 miles (119.8 km), while the road route adds roughly 10.5 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 8:00 AM to 10:00 AM EST. If you want a more comfortable same-day return, try to leave by 3:10 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.06 one way or $26.12 round trip. Estimated CO2 is about 26.7 kg one way.

What should you check before leaving?

Before you leave, expect Clear around Stonybrook and Mostly Sunny near Allentown.

Stop Ideas Near Mohnton

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

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

RAIL

Coatesville

36 mi away
Third Ave. and Fleetwood St.
RAIL

Parkesburg

37 mi away
W. First and S. Culvert Streets
RAIL

Lancaster station

38 mi away
53 McGovern Avenue
RAIL

Downingtown

39 mi away
West Lancaster Ave. and Stuart Ave.

Flight Path Map

This map shows the direct air route between Stonybrook and Allentown. Straight-line distance: 74.44 mi (119.8 km).

Photo coming soon

#1 Stonybrook

Stonybrook is a place in Pennsylvania, United States.

Population0
Coordinates39.9870400, -76.6441300
Altitude124
CountryUnited States
Allentown

#2 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Start: Lincoln Highway (-76.644093, 39.987015)
End: Tilghman Street (-75.490007, 40.608068)

Estimated Travel Time

Distance: 137 km by road

SpeedTime
30 mph (48.3 km/h)02h 49m
40 mph (64.37 km/h)02h 07m
50 mph (80.47 km/h)01h 41m
60 mph (96.56 km/h)01h 24m
70 mph (112.65 km/h)01h 12m
80 mph (129 km/h)01h 03m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3 gal
11.35 L · about $13.06
Round trip
$26.12
6 gal · 22.7 L
Estimated CO2
26.7 kg one way
Round trip: 53.3 kg / 118 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.35 $13.06 $26.12
Mid-grade $4.78 $14.33 $28.65
Premium $5.22 $15.67 $31.33
Diesel $6.56 $19.67 $39.33

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 · Nov 10, 2026

There is no time difference between Stonybrook and Allentown. The current time is 22:35:30.

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.