How far is Southmont, PA from Allentown, PA?
The driving distance from Southmont, PA to Allentown, PA is about 218.9 miles (352.3 km), with a travel time of about 03h 52m by car.
- The straight-line flight distance is about 182.4 miles (293.6 km).
- For a round trip, plan for roughly 07h 44m 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 03h 52m.
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.
Town in Alabama
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Southmont and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Southmont and Allentown.
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1
Start on Olive Street
994 ft · 27 sec · Olive Street
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2
Continue on Southmont Boulevard
1.6 km · 2 min · Southmont Boulevard
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3
Turn left onto Franklin Street
1593 ft · 33 sec · Franklin Street
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4
Turn right onto Osborne Street
2336 ft · 1 min · Osborne Street
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5
Turn right onto Central Avenue
1161 ft · 30 sec · Central Avenue
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6
Turn left onto Ohio Street
1.2 km · 1 min · Ohio Street
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7
Turn left onto Oakland Avenue
3097 ft · 1 min · Oakland Avenue
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8
Turn left onto Penrod Street
1089 ft · 33 sec · Penrod Street
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9
Turn right onto Bedford Street
1.3 km · 1 min · Bedford Street
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10
Continue on Scalp Avenue
651 ft · 11 sec · Scalp Avenue
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11
Enter the roundabout and take exit 2 toward Scalp Avenue
44 m · 2 sec · Scalp Avenue
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12
Exit the roundabout onto Scalp Avenue
3.7 mi · 6 min · Scalp Avenue
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13
Continue on Clear Shade Drive
10.5 mi · 15 min · Clear Shade Drive
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14
Continue on Quaker Valley Road
14.2 mi · 21 min · Quaker Valley Road
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15
Take the ramp right
1770 ft · 43 sec
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16
Merge slight left
2.2 mi · 2 min
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17
Take the exit slight right toward Pittsburgh, Harrisburg
1.4 km · 2 min
-
18
Keep slight right to continue on US 220 Business South: Bedford
87 m · 7 sec
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19
Turn slight right onto Business 220
1083 ft · 26 sec · Business 220
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20
Take the ramp slight right toward I 70, I 76, PATP: Pittsburgh, Harrisburg
991 ft · 24 sec
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21
Keep slight left to continue on I 76 East, I 70 East: Harrisburg
2050 ft · 50 sec
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22
Merge slight left onto Pennsylvania Turnpike
81 mi · 1 hr 29 min · Pennsylvania Turnpike
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23
Take the exit slight right toward I 81, US 11: Carlisle, Harrisburg
1.4 km · 2 min
-
24
Keep slight left to continue on US 11 North: Harrisburg
1712 ft · 54 sec
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25
Continue on Harrisburg Pike
1.1 mi · 2 min · Harrisburg Pike
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26
Take the exit straight toward I 81 North: Harrisburg
1358 ft · 33 sec
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27
Merge slight left
12.7 mi · 15 min
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28
Take the exit slight right toward US 11, US 15: Enola, Marysville
931 ft · 14 sec
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29
Keep slight left to continue on US 11 North, US 15 North: Marysville
1828 ft · 28 sec
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30
Keep slight left
2072 ft · 32 sec
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31
Merge slight left onto George N. Wade Memorial Bridge
1.2 km · 1 min · George N. Wade Memorial Bridge
-
32
Continue on American Legion Memorial Highway
3.4 mi · 5 min · American Legion Memorial Highway
-
33
Keep slight left to continue on American Legion Memorial Highway
19.1 mi · 23 min · American Legion Memorial Highway
-
34
Take the exit slight right toward I 78 East: Allentown
1.1 km · 45 sec
-
35
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
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36
Continue on William Penn Highway
42.8 mi · 51 min · William Penn Highway
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37
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
-
38
Take the exit slight right toward Cetronia
1053 ft · 26 sec
-
39
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
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40
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Southmont 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
Merge slight left onto Pennsylvania Turnpike
81 mi · 01h 29m
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.
Showers And Thunderstorms leaving Southmont 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 Southmont to Allentown?
The road trip is about 218.9 miles (352.3 km) and usually takes 03h 52m 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?
Newville is a useful midpoint, sitting about 107.2 miles from Southmont and 111.7 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 182.4 miles (293.6 km), while the road route adds roughly 36.5 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 9:16 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.54 one way or $63.09 round trip. Estimated CO2 is about 68.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Southmont and Mostly Sunny near Allentown.
Stop Ideas Near Newville
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 Newville.
Harrisburg Transportation Center
Lewistown
Middletown
Huntingdon
Flight Path Map
This map shows the direct air route between Southmont and Allentown. Straight-line distance: 182.44 mi (293.61 km).
#1 Southmont
Borough of Pennsylvania
| Population | 2,048 |
| Coordinates | 40.3106300, -78.9386400 |
| Altitude | 485 |
| 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: 352 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 17m |
| 40 mph (64.37 km/h) | 05h 28m |
| 50 mph (80.47 km/h) | 04h 22m |
| 60 mph (96.56 km/h) | 03h 38m |
| 70 mph (112.65 km/h) | 03h 07m |
| 80 mph (129 km/h) | 02h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $31.54 | $63.09 |
| Mid-grade | $4.60 | $35.50 | $71.01 |
| Premium | $4.95 | $38.24 | $76.49 |
| Diesel | $5.98 | $46.17 | $92.33 |
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 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.