How far is Haverford, PA from Mercer, PA?
The driving distance from Haverford, PA to Mercer, PA is about 349.3 miles (562.1 km), with a travel time of about 06h 29m by car.
- The straight-line flight distance is about 272.5 miles (438.6 km).
- For a round trip, plan for roughly 12h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 29m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Driving Route Map
The map below follows the saved road route between Haverford and Mercer.
Turn-by-Turn Driving Directions
Step-by-step road directions between Haverford and Mercer.
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1
Start on the route
3 m · 4 sec
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2
Turn right onto Winsor Lane
105 m · 14 sec · Winsor Lane
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3
Turn right onto Woodside Road
525 ft · 21 sec · Woodside Road
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4
Turn right onto Montgomery Avenue
1.1 km · 2 min · Montgomery Avenue
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5
Turn slight right onto New Gulph Road
1.1 mi · 2 min · New Gulph Road
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6
Continue on Old Gulph Road
2.3 mi · 6 min · Old Gulph Road
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7
Turn right onto West Matsonford Road
1.2 mi · 3 min · West Matsonford Road
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8
Take the ramp right toward I 76 West, I 476 North: Valley Forge, Plymouth Meeting
33 m · 4 sec
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9
Keep slight right to continue on I 476 North: Plymouth Meeting
2210 ft · 54 sec
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10
Merge slight left onto Mid-County Expressway
3.3 mi · 4 min · Mid-County Expressway
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11
Turn slight left onto Mid-County Expressway
885 ft · 14 sec · Mid-County Expressway
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12
Continue on Pennsylvania Turnpike Northeast Extension
75 mi · 1 hr 21 min · Pennsylvania Turnpike Northeast Extension
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13
Take the exit slight right toward PA 940, I 80: Hazleton, Mount Pocono
1.1 km · 2 min
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14
Keep slight left
879 ft · 24 sec
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15
Keep slight right to continue on I 80 West: Hazleton
1650 ft · 40 sec
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16
Merge slight left onto Keystone Shortway
261.1 mi · 4 hr 43 min · Keystone Shortway
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17
Take the exit slight right toward US 19: Mercer
816 ft · 23 sec
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18
Keep slight right
73 m · 8 sec
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19
Turn straight onto South Erie Street
2.3 mi · 4 min · South Erie Street
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20
Arrive at your destination
0 m · 1 sec · Erie Street
Car Route Details
A richer read on the saved driving route between Haverford and Mercer.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Keystone Shortway
Merge slight left onto Keystone Shortway
261 mi · 04h 43m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Clear leaving Haverford and Sunny near Mercer.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Haverford to Mercer?
The road trip is about 349.3 miles (562.1 km) and usually takes 06h 29m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Loganton is a useful midpoint, sitting about 174.4 miles from Haverford and 174.9 miles from Mercer.
How much longer is the road route than the straight-line distance?
The direct path is about 272.5 miles (438.6 km), while the road route adds roughly 76.8 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $50.38 one way or $100.76 round trip. Estimated CO2 is about 109.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Haverford and Sunny near Mercer.
Stop Ideas Near Loganton
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 Loganton.
Lewistown
Huntingdon
Tyrone
Harrisburg Transportation Center
Flight Path Map
This map shows the direct air route between Haverford and Mercer. Straight-line distance: 272.54 mi (438.61 km).
#1 Haverford
A borough in Delaware County, Pennsylvania.
| Population | 49,547 |
| Coordinates | 40.0131700, -75.2943500 |
| Altitude | 97 |
| Country | United States |
#2 Mercer
Borough in Mercer County, Pennsylvania, United States
| Population | 1,865 |
| Coordinates | 41.2270000, -80.2397900 |
| Altitude | 395 |
| Country | United States |
End: Mercer (-80.23979, 41.227)
Estimated Travel Time
Distance: 562 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 38m |
| 40 mph (64.37 km/h) | 08h 43m |
| 50 mph (80.47 km/h) | 06h 59m |
| 60 mph (96.56 km/h) | 05h 49m |
| 70 mph (112.65 km/h) | 04h 59m |
| 80 mph (129 km/h) | 04h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $50.38 | $100.76 |
| Mid-grade | $4.60 | $56.71 | $113.41 |
| Premium | $4.95 | $61.08 | $122.17 |
| Diesel | $5.98 | $73.73 | $147.47 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.