How far is Allentown, PA from Mount Holly Springs, PA?
The driving distance from Allentown, PA to Mount Holly Springs, PA is about 104.3 miles (167.8 km), with a travel time of about 02h 11m by car.
- The straight-line flight distance is about 95.7 miles (154 km).
- For a round trip, plan for roughly 04h 23m 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 02h 11m.
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.
Human settlement in United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Rain Showers
Driving Route Map
The map below follows the saved road route between Allentown and Mount Holly Springs.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Mount Holly Springs.
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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
41.9 mi · 52 min
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8
Take the exit slight right toward PA 34 South
1335 ft · 46 sec
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9
Merge slight left onto South Hanover Street
2312 ft · 58 sec · South Hanover Street
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10
Continue on Holly Pike
4 mi · 7 min · Holly Pike
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11
Continue on North Baltimore Avenue
2349 ft · 1 min · North Baltimore Avenue
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12
Turn right onto West Butler Street
19 m · 3 sec · West Butler Street
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13
Arrive at your destination
0 m · 1 sec · West Butler Street
Car Route Details
A richer read on the saved driving route between Allentown and Mount Holly Springs.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
William Penn Highway
Merge slight left onto William Penn Highway
43.1 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 Allentown and Rain Showers near Mount Holly Springs.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Mount Holly Springs?
The road trip is about 104.3 miles (167.8 km) and usually takes 02h 11m 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?
Hamlin is a useful midpoint, sitting about 52.1 miles from Allentown and 52.2 miles from Mount Holly Springs.
How much longer is the road route than the straight-line distance?
The direct path is about 95.7 miles (154 km), while the road route adds roughly 8.6 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 2:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.04 one way or $30.07 round trip. Estimated CO2 is about 32.7 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Allentown and Rain Showers near Mount Holly Springs.
Stop Ideas Near Hamlin
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 Hamlin.
Elizabethtown station
Mount Joy
Middletown
Lancaster station
Flight Path Map
This map shows the direct air route between Allentown and Mount Holly Springs. Straight-line distance: 95.68 mi (153.98 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Mount Holly Springs
Borough of Pennsylvania
| Population | 2,052 |
| Coordinates | 40.1184200, -77.1899800 |
| Altitude | 168 |
| Country | United States |
End: Mount Holly Springs (-77.18998, 40.11842)
Estimated Travel Time
Distance: 168 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 28m |
| 40 mph (64.37 km/h) | 02h 36m |
| 50 mph (80.47 km/h) | 02h 05m |
| 60 mph (96.56 km/h) | 01h 44m |
| 70 mph (112.65 km/h) | 01h 29m |
| 80 mph (129 km/h) | 01h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $15.04 | $30.07 |
| Mid-grade | $4.60 | $16.92 | $33.85 |
| Premium | $4.95 | $18.23 | $36.46 |
| Diesel | $5.98 | $22.01 | $44.01 |
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.