How far is Slippery Rock, PA from Allentown, PA?
The driving distance from Slippery Rock, PA to Allentown, PA is about 291.4 miles (468.9 km), with a travel time of about 05h 05m by car.
- The straight-line flight distance is about 240.7 miles (387.4 km).
- For a round trip, plan for roughly 10h 10m 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 05h 05m.
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 Pennsylvania, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Slippery Rock and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slippery Rock and Allentown.
-
1
Start on South Main Street
13 m · 6 sec · South Main Street
-
2
Turn right onto Franklin Street
1 km · 2 min · Franklin Street
-
3
Continue on Franklin Road
2.9 mi · 4 min · Franklin Road
-
4
At the end of the road, turn left onto William Flinn Highway
2.4 mi · 3 min · William Flinn Highway
-
5
Continue on South Main Street
1.2 mi · 3 min · South Main Street
-
6
Continue on William Flinn Highway
2.1 mi · 3 min · William Flinn Highway
-
7
Continue on Pittsburgh Road
2.2 mi · 4 min · Pittsburgh Road
-
8
Take the exit right
1542 ft · 38 sec
-
9
Merge slight left onto Keystone Shortway
194.2 mi · 3 hr 29 min · Keystone Shortway
-
10
Take the exit slight right toward PA 54: Danville, Washingtonville
1080 ft · 27 sec
-
11
Turn slight left
24 m · 3 sec
-
12
Turn right onto Continental Boulevard
2.9 mi · 4 min · Continental Boulevard
-
13
Continue on Factory Street
716 ft · 20 sec · Factory Street
-
14
Continue on Danville-Riverside Bridge Road
1799 ft · 49 sec · Danville-Riverside Bridge Road
-
15
Turn left onto Elysburg Road
9.7 mi · 11 min · Elysburg Road
-
16
Continue on State Route 54
11.1 mi · 13 min · State Route 54
-
17
Continue on Locust Gap Highway
1897 ft · 42 sec · Locust Gap Highway
-
18
Continue on Fairgrounds Road
2.2 mi · 2 min · Fairgrounds Road
-
19
Continue on Sunbury Road
9.4 mi · 11 min · Sunbury Road
-
20
Continue on Sunbury Street
1.2 km · 1 min · Sunbury Street
-
21
Turn right onto Pottsville Minersville Highway
1.8 mi · 2 min · Pottsville Minersville Highway
-
22
Turn right onto Gordon Nagle Trail
4 mi · 7 min · Gordon Nagle Trail
-
23
Continue on North Sillyman Street
1281 ft · 33 sec · North Sillyman Street
-
24
Turn left onto Pottsville Street
1.1 km · 2 min · Pottsville Street
-
25
Turn right onto Route 61 South
150 m · 6 sec · Route 61 South
-
26
Continue on Center Avenue
10.6 mi · 13 min · Center Avenue
-
27
Continue on Centre Street
2.7 mi · 4 min · Centre Street
-
28
Take the exit slight right toward I 78 East, US 22 East: Allentown
1423 ft · 41 sec
-
29
Merge slight left onto William Penn Highway
21.6 mi · 27 min · William Penn Highway
-
30
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
-
31
Take the exit slight right toward Cetronia
1053 ft · 27 sec
-
32
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
-
33
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Slippery Rock and Allentown.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Keystone Shortway
Merge slight left onto Keystone Shortway
194 mi · 03h 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.
Sunny leaving Slippery Rock and Sunny near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slippery Rock to Allentown?
The road trip is about 291.4 miles (468.9 km) and usually takes 05h 05m 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?
Howard is a useful midpoint, sitting about 145.4 miles from Slippery Rock and 146 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 240.7 miles (387.4 km), while the road route adds roughly 50.7 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 6:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.00 one way or $84.01 round trip. Estimated CO2 is about 91.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Slippery Rock and Sunny near Allentown.
Stop Ideas Near Howard
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 Howard.
Lewistown
Tyrone
Huntingdon
Altoona Transportation Center
Flight Path Map
This map shows the direct air route between Slippery Rock and Allentown. Straight-line distance: 240.74 mi (387.43 km).
#1 Slippery Rock
Borough in Butler County, Pennsylvania, United States
| Population | 3,508 |
| Coordinates | 41.0639500, -80.0564500 |
| Altitude | 397 |
| Country | United States |
#2 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
End: Tilghman Street (-75.490007, 40.608068)
Estimated Travel Time
Distance: 469 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 42m |
| 40 mph (64.37 km/h) | 07h 17m |
| 50 mph (80.47 km/h) | 05h 49m |
| 60 mph (96.56 km/h) | 04h 51m |
| 70 mph (112.65 km/h) | 04h 09m |
| 80 mph (129 km/h) | 03h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $42.00 | $84.01 |
| Mid-grade | $4.60 | $47.28 | $94.56 |
| Premium | $4.95 | $50.93 | $101.85 |
| Diesel | $5.98 | $61.47 | $122.95 |
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.