How far is Upper Darby, PA from Mont Alto, PA?
The driving distance from Upper Darby, PA to Mont Alto, PA is about 159.7 miles (257 km), with a travel time of about 03h 22m by car.
- The straight-line flight distance is about 121.2 miles (195.1 km).
- For a round trip, plan for roughly 06h 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 22m.
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.
Borough in southwestern Lebanon County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Upper Darby and Mont Alto.
Turn-by-Turn Driving Directions
Step-by-step road directions between Upper Darby and Mont Alto.
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1
Start on West Providence Road
1430 ft · 46 sec · West Providence Road
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2
Turn left onto South Lansdowne Avenue
3 mi · 8 min · South Lansdowne Avenue
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3
Continue on Darby Road
144 m · 14 sec · Darby Road
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4
Turn slight left onto West Chester Pike
2.2 mi · 5 min · West Chester Pike
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5
Take the exit slight right toward I 476 North: Plymouth Meeting
2005 ft · 59 sec
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6
Merge slight left onto Mid-County Expressway
7 mi · 10 min · Mid-County Expressway
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7
Take the exit slight right toward I 76 West: Valley Forge
2184 ft · 53 sec
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8
Merge slight left onto Schuylkill Expressway
3.7 mi · 5 min · Schuylkill Expressway
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9
Take the exit slight right toward US 202, US 422 West: King of Prussia, West Chester, Pottstown
632 ft · 10 sec
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10
Keep slight left to continue on US 202 South, US 422 West: Mall Boulevard, West Chester, Pottstown, Swedesford Road
1447 ft · 22 sec
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11
Keep slight left to continue on Mall Boulevard
1331 ft · 21 sec
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12
Keep slight left to continue on I 76 West: New Jersey, Harrisburg
533 ft · 8 sec
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13
Merge slight left onto Schuylkill Expressway
2317 ft · 53 sec · Schuylkill Expressway
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14
Keep slight left to continue on I 76 West: Harrisburg
1919 ft · 1 min
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15
Merge slight left onto Pennsylvania Turnpike
99.8 mi · 1 hr 47 min · Pennsylvania Turnpike
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16
Take the exit slight right toward I 81, US 11: Carlisle, Chambersburg
2805 ft · 1 min
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17
Keep slight right to continue on US 11 South: Carlisle
157 m · 17 sec
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18
Turn straight onto Harrisburg Pike
1.9 mi · 4 min · Harrisburg Pike
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19
Continue on North Hanover Street
1.2 km · 2 min · North Hanover Street
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20
Turn right onto West North Street
1331 ft · 42 sec · West North Street
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21
Turn left onto North West Street
1.1 km · 2 min · North West Street
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22
Turn slight right onto Walnut Bottom Road
1.3 km · 1 min · Walnut Bottom Road
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23
Take the ramp slight right
1183 ft · 29 sec
-
24
Merge slight left
25.4 mi · 30 min
-
25
Take the exit slight right toward Scotland
990 ft · 27 sec
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26
Turn left onto Black Gap Road
5.2 mi · 9 min · Black Gap Road
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27
At the end of the road, turn right onto Lincoln Way East
622 ft · 17 sec · Lincoln Way East
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28
Turn left onto Anthony Highway
4.9 mi · 10 min · Anthony Highway
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29
Turn sharp left onto Park Street
25 m · 2 sec · Park Street
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30
Arrive at your destination
0 m · 1 sec · Park Street
Car Route Details
A richer read on the saved driving route between Upper Darby and Mont Alto.
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
99.8 mi · 01h 47m
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.
Chance Rain Showers then Partly Sunny leaving Upper Darby and Mostly Sunny near Mont Alto.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Upper Darby to Mont Alto?
The road trip is about 159.7 miles (257 km) and usually takes 03h 22m 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?
Mount Gretna is a useful midpoint, sitting about 79.7 miles from Upper Darby and 80 miles from Mont Alto.
How much longer is the road route than the straight-line distance?
The direct path is about 121.2 miles (195.1 km), while the road route adds roughly 38.5 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 10:16 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.00 one way or $46.01 round trip. Estimated CO2 is about 50 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Partly Sunny around Upper Darby and Mostly Sunny near Mont Alto.
Stop Ideas Near Mount Gretna
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 Mount Gretna.
Mount Joy
Elizabethtown station
Middletown
Lancaster station
Flight Path Map
This map shows the direct air route between Upper Darby and Mont Alto. Straight-line distance: 121.25 mi (195.14 km).
#1 Upper Darby
Town in Delaware County, Pennsylvania, United States
| Population | 82,883 |
| Coordinates | 39.9284500, -75.2738000 |
| Altitude | 20 |
| Country | United States |
#2 Mont Alto
Borough of Pennsylvania
| Population | 1,729 |
| Coordinates | 39.8442600, -77.5583200 |
| Altitude | 258 |
| Country | United States |
End: Mont Alto (-77.55832, 39.84426)
Estimated Travel Time
Distance: 257 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 19m |
| 40 mph (64.37 km/h) | 03h 59m |
| 50 mph (80.47 km/h) | 03h 11m |
| 60 mph (96.56 km/h) | 02h 39m |
| 70 mph (112.65 km/h) | 02h 16m |
| 80 mph (129 km/h) | 01h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $23.00 | $46.01 |
| Mid-grade | $4.60 | $25.89 | $51.78 |
| Premium | $4.95 | $27.89 | $55.78 |
| Diesel | $5.98 | $33.67 | $67.33 |
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 · May 14, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.