How far is Guilford Siding, PA from Allentown, PA?
The driving distance from Guilford Siding, PA to Allentown, PA is about 136.1 miles (219.1 km), with a travel time of about 02h 19m by car.
- The straight-line flight distance is about 123.2 miles (198.2 km).
- For a round trip, plan for roughly 04h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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.
This route works well as a day trip with time at the destination.
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 02h 19m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Guilford Siding and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Guilford Siding and Allentown.
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1
Start on Church Road
28 m · 11 sec · Church Road
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2
Turn sharp left onto Guilford Station Road
1.3 mi · 5 min · Guilford Station Road
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3
At the end of the road, turn left onto New Franklin Road
3155 ft · 2 min · New Franklin Road
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4
Turn right onto Wayne Road
1.9 mi · 3 min · Wayne Road
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5
Continue on Wayne Avenue
552 ft · 9 sec · Wayne Avenue
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6
Take the ramp slight right
1700 ft · 41 sec
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7
Merge slight right
50 mi · 1 hr
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8
Take the exit slight right toward US 11, US 15: Enola, Marysville
931 ft · 14 sec
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9
Keep slight left to continue on US 11 North, US 15 North: Marysville
1828 ft · 28 sec
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10
Keep slight left
2072 ft · 32 sec
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11
Merge slight left onto George N. Wade Memorial Bridge
1.2 km · 1 min · George N. Wade Memorial Bridge
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12
Continue on American Legion Memorial Highway
3.4 mi · 5 min · American Legion Memorial Highway
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13
Keep slight left to continue on American Legion Memorial Highway
19.1 mi · 23 min · American Legion Memorial Highway
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14
Take the exit slight right toward I 78 East: Allentown
1.1 km · 45 sec
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15
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
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16
Continue on William Penn Highway
42.8 mi · 51 min · William Penn Highway
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17
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
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18
Take the exit slight right toward Cetronia
1053 ft · 27 sec
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19
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
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20
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Guilford Siding and Allentown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Wayne Avenue
Merge slight right
50 mi · 01h 00m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Guilford Siding and Partly Cloudy near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Guilford Siding to Allentown?
The road trip is about 136.1 miles (219.1 km) and usually takes 02h 19m 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?
Skyline View is a useful midpoint, sitting about 67.7 miles from Guilford Siding and 68.5 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 123.2 miles (198.2 km), while the road route adds roughly 12.9 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 1:52 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.05 one way or $42.11 round trip. Estimated CO2 is about 42.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Guilford Siding and Partly Cloudy near Allentown.
Stop Ideas Near Skyline View
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 Skyline View.
Harrisburg Transportation Center
Middletown
Elizabethtown station
Mount Joy
Flight Path Map
This map shows the direct air route between Guilford Siding and Allentown. Straight-line distance: 123.15 mi (198.19 km).
#1 Guilford Siding
Guilford Siding is a place in Pennsylvania, United States.
| Population | 0 |
| Coordinates | 39.8653700, -77.6124900 |
| Altitude | 253 |
| 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: 219 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 32m |
| 40 mph (64.37 km/h) | 03h 24m |
| 50 mph (80.47 km/h) | 02h 43m |
| 60 mph (96.56 km/h) | 02h 16m |
| 70 mph (112.65 km/h) | 01h 56m |
| 80 mph (129 km/h) | 01h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.39 | $21.05 | $42.11 |
| Mid-grade | $4.81 | $23.10 | $46.20 |
| Premium | $5.26 | $25.24 | $50.49 |
| Diesel | $6.57 | $31.55 | $63.10 |
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 07, 2026