How far is Troy, PA from Allentown, PA?
The driving distance from Troy, PA to Allentown, PA is about 146.7 miles (236.1 km), with a travel time of about 03h 00m by car.
- The straight-line flight distance is about 105.7 miles (170.1 km).
- For a round trip, plan for roughly 06h 00m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 03h 00m.
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.
Unincorporated community
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Troy and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and Allentown.
-
1
Start on West Main Street
33 m · 6 sec · West Main Street
-
2
Continue on Elmira Street
1.3 km · 2 min · Elmira Street
-
3
Turn straight onto Roosevelt Highway
9.3 mi · 14 min · Roosevelt Highway
-
4
Continue on Main Street
1.5 km · 2 min · Main Street
-
5
Continue on Roosevelt Highway
6.4 mi · 9 min · Roosevelt Highway
-
6
Take the ramp straight toward US 220 South: Williamsport
2451 ft · 1 min
-
7
Merge slight left onto Towanda Bypass
4.6 mi · 6 min · Towanda Bypass
-
8
Keep slight right
17.3 mi · 20 min
-
9
Turn left onto East Main Street
53 m · 4 sec · East Main Street
-
10
Continue on Mill Street
1385 ft · 28 sec · Mill Street
-
11
Continue on Bernice Road
4.2 mi · 7 min · Bernice Road
-
12
Turn left
3.1 mi · 6 min
-
13
Turn left onto Route 487
13.8 mi · 23 min · Route 487
-
14
Turn left
17.8 mi · 26 min
-
15
Turn right onto Memorial Highway
1.6 mi · 3 min · Memorial Highway
-
16
Enter the roundabout and take exit 2 toward Memorial Highway
37 m · 2 sec · Memorial Highway
-
17
Exit the roundabout onto Memorial Highway
4.7 mi · 10 min · Memorial Highway
-
18
Continue straight
5.5 mi · 8 min
-
19
Continue straight
4.3 mi · 7 min
-
20
Take the exit slight right toward PATP
1823 ft · 44 sec
-
21
Keep slight left to continue on PATP
550 ft · 13 sec
-
22
Keep slight left to continue on I 476 South: Allentown
2318 ft · 57 sec
-
23
Merge slight left onto Pennsylvania Turnpike Northeast Extension
47.8 mi · 52 min · Pennsylvania Turnpike Northeast Extension
-
24
Take the exit slight right toward I 78, US 22, PA 309: Allentown, Harrisburg
2233 ft · 1 min
-
25
Turn slight right onto US 22 East: Allentown
975 ft · 29 sec
-
26
Merge slight left onto Lehigh Valley Thruway
1762 ft · 27 sec · Lehigh Valley Thruway
-
27
Take the exit slight right toward PA 309 South: Quakertown
2245 ft · 55 sec
-
28
Merge slight left
2844 ft · 44 sec
-
29
Take the exit slight right toward Tilghman Street East
886 ft · 22 sec
-
30
Turn straight onto Tilghman Street
3.6 mi · 6 min · Tilghman Street
-
31
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Troy 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.
Pennsylvania Turnpike Northeast Extension
Merge slight left onto Pennsylvania Turnpike Northeast Extension
47.8 mi · 00h 52m
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.
Rain Showers Likely leaving Troy 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 Troy to Allentown?
The road trip is about 146.7 miles (236.1 km) and usually takes 03h 00m 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?
Back Mountain is a useful midpoint, sitting about 74.8 miles from Troy and 72 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 105.7 miles (170.1 km), while the road route adds roughly 41 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 12:30 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.17 one way or $42.33 round trip. Estimated CO2 is about 46 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Troy and Rain Showers Likely near Allentown.
Stop Ideas Near Back Mountain
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 Back Mountain.
Wilkes-Barre, PA
Scranton, PA
White Haven, PA
Flight Path Map
This map shows the direct air route between Troy and Allentown. Straight-line distance: 105.69 mi (170.09 km).
#1 Troy
Borough in Pennsylvania
| Population | 1,229 |
| Coordinates | 41.7859100, -76.7880100 |
| Altitude | 335 |
| 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: 236 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 53m |
| 40 mph (64.37 km/h) | 03h 40m |
| 50 mph (80.47 km/h) | 02h 56m |
| 60 mph (96.56 km/h) | 02h 26m |
| 70 mph (112.65 km/h) | 02h 05m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $21.17 | $42.33 |
| Mid-grade | $4.60 | $23.82 | $47.65 |
| Premium | $4.95 | $25.66 | $51.32 |
| Diesel | $5.98 | $30.98 | $61.95 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.