How far is Longswamp, PA from Allentown, PA?
The driving distance from Longswamp, PA to Allentown, PA is about 15.8 miles (25.4 km), with a travel time of about 00h 25m by car.
- The straight-line flight distance is about 11.5 miles (18.5 km).
- For a round trip, plan for roughly 00h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
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 00h 25m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Township in Centre County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Longswamp and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Longswamp and Allentown.
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1
Start on State Street
1.1 km · 1 min · State Street
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2
Keep slight right to continue on Chestnut Street
1508 ft · 33 sec · Chestnut Street
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3
Turn right onto Valley Road
2 mi · 3 min · Valley Road
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4
Continue on Farmington Road
1.2 km · 1 min · Farmington Road
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5
Enter the roundabout and take exit 1 toward Hamilton Boulevard
7 m · 1 sec · Hamilton Boulevard
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6
Exit the roundabout onto Hamilton Boulevard
2.4 mi · 3 min · Hamilton Boulevard
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7
Turn straight onto Trexlertown Bypass
5.7 mi · 8 min · Trexlertown Bypass
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8
Continue on West Hamilton Boulevard
2.1 mi · 4 min · West Hamilton Boulevard
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9
Continue on Hamilton Street
1.3 mi · 2 min · Hamilton Street
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10
Turn left onto North 15th Street
1.1 km · 2 min · North 15th Street
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11
Turn right onto Tilghman Street
765 ft · 15 sec · Tilghman Street
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12
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Longswamp and Allentown.
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.
Trexlertown Bypass
Turn straight onto Trexlertown Bypass
5.68 mi · 00h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Chance Rain Showers leaving Longswamp and Chance Rain Showers near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Longswamp to Allentown?
The road trip is about 15.8 miles (25.4 km) and usually takes 00h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Haines is a useful midpoint, sitting about 8 miles from Longswamp and 7.8 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 11.5 miles (18.5 km), while the road route adds roughly 4.3 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.29 one way or $4.58 round trip. Estimated CO2 is about 5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Longswamp and Chance Rain Showers near Allentown.
Stop Ideas Near Haines
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Haines.
White Haven, PA
Paoli
Exton
Downingtown
Flight Path Map
This map shows the direct air route between Longswamp and Allentown. Straight-line distance: 11.53 mi (18.55 km).
#1 Longswamp
Township in Berks County, Pennsylvania
| Population | 5,777 |
| Coordinates | 40.4981500, -75.6549100 |
| Altitude | 153 |
| Country | United States |
#2 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
End: Tilghman Street (-75.490007, 40.608068)
Estimated Travel Time
Distance: 25 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 31m |
| 40 mph (64.37 km/h) | 00h 23m |
| 50 mph (80.47 km/h) | 00h 18m |
| 60 mph (96.56 km/h) | 00h 15m |
| 70 mph (112.65 km/h) | 00h 13m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $2.29 | $4.58 |
| Mid-grade | $4.60 | $2.58 | $5.15 |
| Premium | $4.95 | $2.77 | $5.55 |
| Diesel | $5.98 | $3.35 | $6.70 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.