How far is Allentown, PA from Westmont, PA?
The driving distance from Allentown, PA to Westmont, PA is about 205.7 miles (331.1 km), with a travel time of about 04h 05m by car.
- The straight-line flight distance is about 153.8 miles (247.5 km).
- For a round trip, plan for roughly 08h 11m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 05m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 northeastern Union County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers Likely then Partly Sunny
Driving Route Map
The map below follows the saved road route between Allentown and Westmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Westmont.
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1
Start on Tilghman Street
5 mi · 8 min · Tilghman Street
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2
Take the ramp slight left toward US 22 West: Harrisburg
698 ft · 18 sec
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3
Merge slight left onto Lehigh Valley Thruway
1.1 km · 54 sec · Lehigh Valley Thruway
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4
Merge slight left onto William Penn Highway
21.7 mi · 27 min · William Penn Highway
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5
Take the exit slight right toward PA 61 North: Pottsville
869 ft · 25 sec
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6
Keep slight right to continue on PA 61 North: Pottsville
1529 ft · 44 sec
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7
Merge slight left onto Pottsville Pike
2.4 mi · 3 min · Pottsville Pike
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8
Continue on Centre Turnpike
10.6 mi · 13 min · Centre Turnpike
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9
Continue on Route 61 South
3 mi · 4 min · Route 61 South
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10
Continue on Pottsville Boulevard
1434 ft · 18 sec · Pottsville Boulevard
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11
Continue on South Claude A. Lord Boulevard
797 ft · 21 sec · South Claude A. Lord Boulevard
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12
Turn left onto Mauch Chunk Street
563 ft · 11 sec · Mauch Chunk Street
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13
At the end of the road, turn right onto South Centre Street
2134 ft · 39 sec · South Centre Street
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14
Turn left onto West Market Street
2.3 mi · 5 min · West Market Street
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15
Continue on Pottsville Minersville Highway
1.8 mi · 2 min · Pottsville Minersville Highway
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16
At the end of the road, turn left onto East Sunbury Street
1.2 km · 1 min · East Sunbury Street
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17
Continue on Sunbury Road
9.4 mi · 11 min · Sunbury Road
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18
Continue on Fairgrounds Road
2.2 mi · 2 min · Fairgrounds Road
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19
Continue on Locust Gap Highway
1810 ft · 43 sec · Locust Gap Highway
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20
Continue on Locust Gap Highway
11.1 mi · 13 min · Locust Gap Highway
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21
Continue on South Market Street
9.7 mi · 11 min · South Market Street
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22
Turn right onto Danville-Riverside Bridge Road
1799 ft · 46 sec · Danville-Riverside Bridge Road
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23
Continue on Factory Street
716 ft · 20 sec · Factory Street
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24
Continue on Continental Boulevard
3 mi · 4 min · Continental Boulevard
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25
Take the exit slight right
2146 ft · 52 sec
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26
Merge slight left onto Keystone Shortway
63.1 mi · 1 hr 8 min · Keystone Shortway
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27
Take the exit slight right toward I 99 South, US 220 South, PA 26: Bellefonte
1410 ft · 54 sec
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28
Turn left onto Jacksonville Road
24.2 mi · 28 min · Jacksonville Road
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29
Keep slight left to continue on I 99 South, US 220 South: Port Matilda, Altoona
28.9 mi · 31 min
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30
Take the exit slight right toward 17th Street
892 ft · 22 sec
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31
Keep slight right to continue on Altoona
938 ft · 23 sec
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32
Turn straight onto 17th Street
1.2 mi · 2 min · 17th Street
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33
Turn left onto 7th Avenue
2582 ft · 50 sec · 7th Avenue
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34
Turn right onto 24th Street
1325 ft · 46 sec · 24th Street
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35
Turn left onto Broad Avenue
1809 ft · 33 sec · Broad Avenue
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36
Turn right onto 28th Street
919 ft · 46 sec · 28th Street
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37
Turn left onto Oak Avenue
23 m · 3 sec · Oak Avenue
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38
Arrive at your destination
0 m · 1 sec · Oak Avenue
Car Route Details
A richer read on the saved driving route between Allentown and Westmont.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Keystone Shortway
Merge slight left onto Keystone Shortway
63.1 mi · 01h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Rain Showers Likely leaving Allentown and Rain Showers Likely then Partly Sunny near Westmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Westmont?
The road trip is about 205.7 miles (331.1 km) and usually takes 04h 05m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
White Deer is a useful midpoint, sitting about 102.7 miles from Allentown and 103 miles from Westmont.
How much longer is the road route than the straight-line distance?
The direct path is about 153.8 miles (247.5 km), while the road route adds roughly 51.9 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 8:48 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.66 one way or $59.33 round trip. Estimated CO2 is about 64.5 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Allentown and Rain Showers Likely then Partly Sunny near Westmont.
Stop Ideas Near White Deer
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 White Deer.
Lewistown
Wilkes-Barre, PA
Harrisburg Transportation Center
White Haven, PA
Flight Path Map
This map shows the direct air route between Allentown and Westmont. Straight-line distance: 153.8 mi (247.51 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Westmont
Borough of Pennsylvania
| Population | 4,625 |
| Coordinates | 40.5020100, -78.4166800 |
| Altitude | 359 |
| Country | United States |
End: Westmont (-78.41668, 40.50201)
Estimated Travel Time
Distance: 331 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 51m |
| 40 mph (64.37 km/h) | 05h 08m |
| 50 mph (80.47 km/h) | 04h 06m |
| 60 mph (96.56 km/h) | 03h 25m |
| 70 mph (112.65 km/h) | 02h 56m |
| 80 mph (129 km/h) | 02h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $29.66 | $59.33 |
| Mid-grade | $4.60 | $33.39 | $66.78 |
| Premium | $4.95 | $35.97 | $71.93 |
| Diesel | $5.98 | $43.41 | $86.83 |
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.