How far is Blairstown, NJ from Allentown, PA?

The driving distance from Blairstown, NJ to Allentown, PA is about 43.4 miles (69.9 km), with a travel time of about 01h 11m by car.

  • The straight-line flight distance is about 37.9 miles (61 km).
  • For a round trip, plan for roughly 02h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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
43.44 mi
01h 11m
Flight
37.91 mi
61.01 km direct

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

Learn Distance

Choose another destination from Blairstown.

Flight Distance

Direct air line
37.91 mi
Kilometers
61.01 km
Flight Time
00h 04m

Driving Distance

Road route
43.44 mi
Kilometers
69.91 km
Drive Time
01h 11m

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 11m.

Arrival Snapshot
Arrive in Allentown
Thu, Oct 15, 2:12 PM EDT
Return by in Blairstown
Thu, Oct 15, 3:24 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Blairstown
2026-10-15T13:01
Arrive Allentown
Thu, Oct 15, 2:12 PM EDT
Route Timing
01h 11m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:11 AM to 11:11 AM EDT

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

Leave by
4:08 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Blairstown
9:30 PM EDT
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
Factoryville
PA

Borough of Pennsylvania

From Blairstown
21.7 mi
00h 35m
To Allentown
21.7 mi
00h 35m

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
0 to 5 mph NE
Destination
68°F
Thursday

Mostly Sunny

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

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Carhart Street

    119 m · 20 sec · Carhart Street

  2. 2

    At the end of the road, turn right

    8.8 mi · 14 min

  3. 3

    Take the exit slight right

    1.1 km · 2 min

  4. 4

    Continue straight

    11.2 mi · 21 min

  5. 5

    Continue on Front Street

    1.7 mi · 3 min · Front Street

  6. 6

    Turn slight right onto Uhler Road

    2.9 mi · 5 min · Uhler Road

  7. 7

    Continue on Main Street

    1.4 km · 2 min · Main Street

  8. 8

    Continue on Tatamy Road

    719 ft · 19 sec · Tatamy Road

  9. 9

    Take the ramp left toward PA 33 South: Wilson

    1282 ft · 31 sec

  10. 10

    Merge slight left onto PA-33

    3.6 mi · 4 min · PA-33

  11. 11

    Take the exit slight right toward US 22 West: Bethlehem, Allentown

    1 km · 1 min

  12. 12

    Merge slight left onto Lehigh Valley Thruway

    10.5 mi · 14 min · Lehigh Valley Thruway

  13. 13

    Take the exit slight right toward PA 145

    981 ft · 35 sec

  14. 14

    Keep slight left to continue on PA 145 South

    54 m · 8 sec

  15. 15

    Turn left onto MacArthur Road

    534 ft · 17 sec · MacArthur Road

  16. 16

    Continue on MacArthur Road

    1.1 km · 1 min · MacArthur Road

  17. 17

    Continue on North 7th Street

    2066 ft · 43 sec · North 7th Street

  18. 18

    Turn right onto Tilghman Street

    1.2 km · 1 min · Tilghman Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · Tilghman Street

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
19 steps
4 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
43.8 / 100 mi
Decision points by distance
Main Roads
Carhart Street
12 mi · 28%
Lehigh Valley Thruway
10.5 mi · 24%
PA-33
3.57 mi · 8%
Uhler Road
2.86 mi · 7%
Front Street
1.69 mi · 4%
Main Street
0.9 mi · 2%
Longest Stretch

Carhart Street

Continue straight

11.2 mi · 00h 21m

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 11m
Day trip friendly
Same-Day Return
02h 22m
Round-trip wheel time
Road vs Air
+5.5 mi
37.9 mi direct line
Halfway Stop
Factoryville
00h 35m from Blairstown
Leave By
4:08 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Blairstown 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 Blairstown to Allentown?

The road trip is about 43.4 miles (69.9 km) and usually takes 01h 11m 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?

Factoryville is a useful midpoint, sitting about 21.7 miles from Blairstown and 21.7 miles from Allentown.

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

The direct path is about 37.9 miles (61 km), while the road route adds roughly 5.5 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 EDT. If you want a more comfortable same-day return, try to leave by 4:08 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.57 one way or $13.14 round trip. Estimated CO2 is about 13.6 kg one way.

What should you check before leaving?

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

Stop Ideas Near Factoryville

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

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

BUS

White Haven, PA

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

Wilkes-Barre, PA

73 mi away
47 South Washington Street
RAIL

New Brunswick station

74 mi away
French and Albany Streets
RAIL

Princeton Junction station

75 mi away
2 Wallace Road

Flight Path Map

This map shows the direct air route between Blairstown and Allentown. Straight-line distance: 37.91 mi (61.01 km).

Blairstown

#1 Blairstown

Township in Warren County, New Jersey, United States of America

Population5,701
Coordinates40.9828800, -74.9604500
Altitude108
CountryUnited States
Allentown

#2 Allentown

The third most populous city in Pennsylvania.

Population121,470
Coordinates40.6084300, -75.4901800
Altitude103
CountryUnited States
Start: Blairstown (-74.96045, 40.98288)
End: Allentown (-75.49018, 40.60843)

Estimated Travel Time

Distance: 70 km by road

SpeedTime
30 mph (48.3 km/h)01h 26m
40 mph (64.37 km/h)01h 05m
50 mph (80.47 km/h)00h 52m
60 mph (96.56 km/h)00h 43m
70 mph (112.65 km/h)00h 37m
80 mph (129 km/h)00h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.53 gal
5.8 L · about $6.57
Round trip
$13.14
3.06 gal · 11.6 L
Estimated CO2
13.6 kg one way
Round trip: 27.2 kg / 60 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.30 $6.57 $13.14
Mid-grade $4.88 $7.46 $14.93
Premium $5.18 $7.92 $15.84
Diesel $6.32 $9.67 $19.33

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 New Jersey · Oct 15, 2026

There is no time difference between Blairstown and Allentown. The current time is 13:01:27.

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.