How far is Upper Darby, PA from Mountainhome, PA?
The driving distance from Upper Darby, PA to Mountainhome, PA is about 115 miles (185 km), with a travel time of about 02h 30m by car.
- The straight-line flight distance is about 86.1 miles (138.5 km).
- For a round trip, plan for roughly 05h 01m 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 30m.
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.
Borough in Pennsylvania, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Upper Darby and Mountainhome.
Turn-by-Turn Driving Directions
Step-by-step road directions between Upper Darby and Mountainhome.
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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
10.6 mi · 14 min · Mid-County Expressway
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7
Turn slight left onto Mid-County Expressway
885 ft · 14 sec · Mid-County Expressway
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8
Continue on Pennsylvania Turnpike Northeast Extension
67.3 mi · 1 hr 13 min · Pennsylvania Turnpike Northeast Extension
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9
Take the exit slight right toward PA 903: Jim Thorpe, Lake Harmony
1728 ft · 42 sec
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10
Keep slight right to continue on PA 903 North: Lake Harmony
72 m · 8 sec
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11
Turn slight right
7.1 mi · 11 min
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12
At the end of the road, turn left
1.8 mi · 3 min
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13
Take the ramp right
1463 ft · 36 sec
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14
Merge slight left onto Keystone Shortway
9 mi · 10 min · Keystone Shortway
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15
Take the exit slight left toward I 380 North, PA 940 Truck East: Scranton
1.5 km · 2 min
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16
Continue straight
1.7 mi · 2 min
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17
Take the exit slight right toward 940: Pocono Pines, Mt Pocono
1165 ft · 33 sec
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18
Turn right
2.5 mi · 5 min
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19
Turn right onto Pocono Boulevard
103 m · 10 sec · Pocono Boulevard
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20
Turn left
3 mi · 5 min
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21
Turn left
1.3 mi · 2 min
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22
At the end of the road, turn left
2.6 mi · 5 min
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Upper Darby and Mountainhome.
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 Northeast Extension
Continue on Pennsylvania Turnpike Northeast Extension
67.3 mi · 01h 13m
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.
Mostly Sunny leaving Upper Darby and Rain Showers Likely near Mountainhome.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Upper Darby to Mountainhome?
The road trip is about 115 miles (185 km) and usually takes 02h 30m 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?
Chapman is a useful midpoint, sitting about 57.5 miles from Upper Darby and 57.5 miles from Mountainhome.
How much longer is the road route than the straight-line distance?
The direct path is about 86.1 miles (138.5 km), while the road route adds roughly 28.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:28 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.59 one way or $33.18 round trip. Estimated CO2 is about 36.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Upper Darby and Rain Showers Likely near Mountainhome.
Stop Ideas Near Chapman
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 Chapman.
White Haven, PA
Paoli
Exton
Downingtown
Flight Path Map
This map shows the direct air route between Upper Darby and Mountainhome. Straight-line distance: 86.04 mi (138.47 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 Mountainhome
Census designated place
| Population | 1,182 |
| Coordinates | 41.1737000, -75.2710200 |
| Altitude | 376 |
| Country | United States |
End: Mountainhome (-75.27102, 41.1737)
Estimated Travel Time
Distance: 185 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 49m |
| 40 mph (64.37 km/h) | 02h 52m |
| 50 mph (80.47 km/h) | 02h 17m |
| 60 mph (96.56 km/h) | 01h 54m |
| 70 mph (112.65 km/h) | 01h 38m |
| 80 mph (129 km/h) | 01h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $16.59 | $33.18 |
| Mid-grade | $4.60 | $18.67 | $37.34 |
| Premium | $4.95 | $20.11 | $40.23 |
| Diesel | $5.98 | $24.28 | $48.56 |
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.