How far is Allentown, PA from Southmont, PA?
The driving distance from Allentown, PA to Southmont, PA is about 213.8 miles (344.1 km), with a travel time of about 04h 26m by car.
- The straight-line flight distance is about 182.4 miles (293.6 km).
- For a round trip, plan for roughly 08h 53m 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 26m.
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.
Mostly Sunny
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Allentown and Southmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Southmont.
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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
43.1 mi · 52 min · William Penn Highway
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5
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
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6
Keep slight left to continue on I 81 South: Harrisburg
1.1 km · 49 sec
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7
Merge slight left
36.6 mi · 44 min
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8
Take the exit slight right toward US 11: New Kingstown, Middlesex
1419 ft · 49 sec
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9
Keep slight right to continue on US 11 South
61 m · 8 sec
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10
Merge slight left onto Harrisburg Pike
1.6 km · 2 min · Harrisburg Pike
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11
Take the exit straight toward I 76, PATP
2453 ft · 1 min
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12
Keep slight right to continue on I 76 West: Pittsburgh
1304 ft · 37 sec
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13
Merge slight left onto Pennsylvania Turnpike
81.1 mi · 1 hr 29 min · Pennsylvania Turnpike
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14
Take the exit slight right toward Altoona, Johnstown
1614 ft · 47 sec
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15
Turn left onto Business 220
1440 ft · 42 sec · Business 220
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16
Take the ramp left toward I 99, US 220: Cumberland, Altoona
1124 ft · 27 sec
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17
Keep slight right to continue on I 99 North, US 220 North: Altoona
1502 ft · 37 sec
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18
Merge slight left
2.4 mi · 3 min
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19
Take the exit slight right toward PA 56: Johnstown, Cessna
1870 ft · 50 sec
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20
Turn straight onto Quaker Valley Road
3.8 mi · 6 min · Quaker Valley Road
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21
Continue on Eichler Road
10.5 mi · 15 min · Eichler Road
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22
Continue on Clear Shade Drive
10.5 mi · 15 min · Clear Shade Drive
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23
Continue on Scalp Avenue
3.7 mi · 6 min · Scalp Avenue
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24
Enter the roundabout and take exit 2 toward Scalp Avenue
44 m · 3 sec · Scalp Avenue
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25
Exit the roundabout onto Scalp Avenue
652 ft · 11 sec · Scalp Avenue
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26
Continue on Bedford Street
1.3 km · 1 min · Bedford Street
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27
Turn left onto Penrod Street
1089 ft · 30 sec · Penrod Street
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28
Turn right onto Ruby Street
56 m · 5 sec · Ruby Street
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29
Turn slight left onto Oakland Avenue
2913 ft · 1 min · Oakland Avenue
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30
Turn right onto Ohio Street
1.2 km · 1 min · Ohio Street
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31
At the end of the road, turn right onto Central Avenue
1161 ft · 30 sec · Central Avenue
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32
Turn left onto Osborne Street
2336 ft · 1 min · Osborne Street
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33
Turn left onto Franklin Street
1593 ft · 31 sec · Franklin Street
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34
Turn slight right onto Southmont Boulevard
1.6 km · 2 min · Southmont Boulevard
-
35
Continue on Olive Street
994 ft · 27 sec · Olive Street
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36
Arrive at your destination
0 m · 1 sec · Olive Street
Car Route Details
A richer read on the saved driving route between Allentown and Southmont.
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
81.1 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.
Mostly Sunny leaving Allentown and Showers And Thunderstorms near Southmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Southmont?
The road trip is about 213.8 miles (344.1 km) and usually takes 04h 26m 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 106.8 miles from Allentown and 107.1 miles from Southmont.
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 31.4 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 8:06 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.81 one way or $61.62 round trip. Estimated CO2 is about 67 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Allentown and Showers And Thunderstorms near Southmont.
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 Allentown and Southmont. Straight-line distance: 182.44 mi (293.61 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Southmont
Borough of Pennsylvania
| Population | 2,048 |
| Coordinates | 40.3106300, -78.9386400 |
| Altitude | 485 |
| Country | United States |
End: Southmont (-78.93864, 40.31063)
Estimated Travel Time
Distance: 344 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 07m |
| 40 mph (64.37 km/h) | 05h 20m |
| 50 mph (80.47 km/h) | 04h 16m |
| 60 mph (96.56 km/h) | 03h 33m |
| 70 mph (112.65 km/h) | 03h 03m |
| 80 mph (129 km/h) | 02h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $30.81 | $61.62 |
| Mid-grade | $4.60 | $34.68 | $69.35 |
| Premium | $4.95 | $37.35 | $74.71 |
| Diesel | $5.98 | $45.09 | $90.18 |
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.