How far is Harrisburg, PA from Slippery Rock, PA?
The driving distance from Harrisburg, PA to Slippery Rock, PA is about 228 miles (366.9 km), with a travel time of about 04h 37m by car.
- The straight-line flight distance is about 175 miles (281.6 km).
- For a round trip, plan for roughly 09h 15m 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 04h 37m.
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.
Township in Clearfield County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Harrisburg and Slippery Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harrisburg and Slippery Rock.
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1
Start on North 7th Street
27 m · 3 sec · North 7th Street
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2
Enter the roundabout and take exit 1 toward North 7th Street
25 m · 3 sec · North 7th Street
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3
Exit the roundabout onto North 7th Street
2757 ft · 2 min · North 7th Street
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4
Turn right onto Maclay Street
2176 ft · 55 sec · Maclay Street
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5
Turn left onto North Cameron Street
53.1 mi · 1 hr 6 min · North Cameron Street
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6
Keep slight left to continue on US 22 West, US 322 West: Mount Union, State College
24.5 mi · 32 min
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7
Continue on Boal Avenue
2.6 mi · 4 min · Boal Avenue
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8
Continue on Mount Nittany Expressway
17.5 mi · 21 min · Mount Nittany Expressway
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9
Keep slight right to continue on 28th Division Highway
1.6 km · 1 min · 28th Division Highway
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10
Continue on Port Matilda Highway
10.1 mi · 14 min · Port Matilda Highway
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11
Continue on Railroad Street
1 mi · 2 min · Railroad Street
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12
Turn right onto North Centre Street
783 ft · 10 sec · North Centre Street
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13
Continue on North Front Street
1650 ft · 26 sec · North Front Street
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14
Continue on Philipsburg Bigler Highway
7.1 mi · 8 min · Philipsburg Bigler Highway
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15
Continue on Woodland Bigler Highway
2.8 mi · 3 min · Woodland Bigler Highway
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16
Turn right onto Shawville Highway
1.6 mi · 2 min · Shawville Highway
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17
Take the exit left
1675 ft · 41 sec
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18
Merge slight left onto Keystone Shortway
93 mi · 1 hr 40 min · Keystone Shortway
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19
Take the exit slight right toward PA 8: Barkeyville, Franklin - Oil City Area
1549 ft · 41 sec
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20
Turn left onto Pittsburgh Road
2.3 mi · 4 min · Pittsburgh Road
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21
Continue on William Flinn Highway
2.1 mi · 3 min · William Flinn Highway
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22
Continue on North Main Street
1.2 mi · 3 min · North Main Street
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23
Continue on William Flinn Highway
2.4 mi · 3 min · William Flinn Highway
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24
Turn right onto Franklin Road
2.9 mi · 4 min · Franklin Road
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25
Continue on Franklin Street
1 km · 2 min · Franklin Street
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26
Turn left onto South Main Street
13 m · 1 sec · South Main Street
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27
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Harrisburg and Slippery Rock.
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
93 mi · 01h 40m
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 Harrisburg and Sunny near Slippery Rock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harrisburg to Slippery Rock?
The road trip is about 228 miles (366.9 km) and usually takes 04h 37m 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?
Graham is a useful midpoint, sitting about 113.8 miles from Harrisburg and 114.1 miles from Slippery Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 175 miles (281.6 km), while the road route adds roughly 53 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 7:44 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.85 one way or $65.70 round trip. Estimated CO2 is about 71.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Harrisburg and Sunny near Slippery Rock.
Stop Ideas Near Graham
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 Graham.
Tyrone
Altoona Transportation Center
Huntingdon
Lewistown
Flight Path Map
This map shows the direct air route between Harrisburg and Slippery Rock. Straight-line distance: 174.96 mi (281.57 km).
#1 Harrisburg
The capital of Pennsylvania.
| Population | 49,322 |
| Coordinates | 40.2737000, -76.8844200 |
| Altitude | 101 |
| Country | United States |
#2 Slippery Rock
Borough in Butler County, Pennsylvania, United States
| Population | 3,508 |
| Coordinates | 41.0639500, -80.0564500 |
| Altitude | 397 |
| Country | United States |
End: Slippery Rock (-80.05645, 41.06395)
Estimated Travel Time
Distance: 367 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 35m |
| 40 mph (64.37 km/h) | 05h 41m |
| 50 mph (80.47 km/h) | 04h 33m |
| 60 mph (96.56 km/h) | 03h 47m |
| 70 mph (112.65 km/h) | 03h 15m |
| 80 mph (129 km/h) | 02h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $32.85 | $65.70 |
| Mid-grade | $4.60 | $36.98 | $73.95 |
| Premium | $4.95 | $39.83 | $79.66 |
| Diesel | $5.98 | $48.08 | $96.16 |
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.