How far is Slippery Rock, PA from Harrisburg, PA?
The driving distance from Slippery Rock, PA to Harrisburg, PA is about 354.2 miles (570 km), with a travel time of about 06h 45m by car.
- The straight-line flight distance is about 273.1 miles (439.5 km).
- For a round trip, plan for roughly 13h 30m 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 45m.
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.
Township in southern Perry County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Slippery Rock and Harrisburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Slippery Rock and Harrisburg.
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1
Start on South Main Street
13 m · 6 sec · South Main Street
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2
Turn right onto Franklin Street
1 km · 2 min · Franklin Street
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3
Continue on Franklin Road
2.9 mi · 4 min · Franklin Road
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4
At the end of the road, turn left onto William Flinn Highway
2.4 mi · 3 min · William Flinn Highway
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5
Continue on South Main Street
1.2 mi · 3 min · South Main Street
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6
Continue on William Flinn Highway
2.1 mi · 3 min · William Flinn Highway
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7
Continue on Pittsburgh Road
2.2 mi · 4 min · Pittsburgh Road
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8
Take the exit right
1542 ft · 38 sec
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9
Merge slight left onto Keystone Shortway
246.9 mi · 4 hr 28 min · Keystone Shortway
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10
Take the exit slight right toward PA 940, PATP, I 476: Wilkes-Barre, Allentown
1.1 km · 1 min
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11
Keep slight left
1217 ft · 32 sec
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12
Keep slight right to continue on I 476 South: Allentown
1303 ft · 32 sec
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13
Merge slight left onto Pennsylvania Turnpike Northeast Extension
74.6 mi · 1 hr 21 min · Pennsylvania Turnpike Northeast Extension
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14
Take the exit slight right toward I 276 East: New Jersey
1651 ft · 40 sec
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15
Merge slight left onto Pennsylvania Turnpike
4.6 mi · 5 min · Pennsylvania Turnpike
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16
Take the exit slight right toward PA 309: Philadelphia, Ambler
1.2 km · 2 min
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17
Keep slight left to continue on PA 309 South: Philadelphia, Fort Washington
1043 ft · 26 sec
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18
Turn right onto PA 309 South: Philadelphia
1665 ft · 41 sec
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19
Merge slight left onto Fort Washington Expressway
1.4 mi · 2 min · Fort Washington Expressway
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20
Continue on Fort Washington Fort Washington Expressway
1.3 km · 1 min · Fort Washington Fort Washington Expressway
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21
Continue on Fort Washington Expressway
2.2 mi · 3 min · Fort Washington Expressway
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22
Continue on Limekiln Pike
157 m · 21 sec · Limekiln Pike
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23
Turn left onto Greenwood Avenue
118 m · 15 sec · Greenwood Avenue
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24
Continue on Greenwood Avenue
3052 ft · 2 min · Greenwood Avenue
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25
Turn right onto Church Road
3053 ft · 1 min · Church Road
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26
Turn left onto Washington Lane
1.1 km · 1 min · Washington Lane
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27
Turn right onto Township Line Road
2.2 mi · 5 min · Township Line Road
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28
Turn left onto Church Road
1.4 km · 2 min · Church Road
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29
At the end of the road, turn right onto Huntingdon Pike
632 ft · 18 sec · Huntingdon Pike
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30
Continue on Oxford Avenue
729 ft · 23 sec · Oxford Avenue
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31
Turn slight left onto Rhawn Street
2.5 mi · 5 min · Rhawn Street
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32
Turn left onto Roosevelt Boulevard
1056 ft · 25 sec · Roosevelt Boulevard
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33
Turn right onto Holme Avenue
1 mi · 2 min · Holme Avenue
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34
Turn right onto Arthur Street
85 m · 17 sec · Arthur Street
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35
Turn left onto Narvon Street
46 m · 7 sec · Narvon Street
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36
Arrive at your destination
0 m · 1 sec · Narvon Street
Car Route Details
A richer read on the saved driving route between Slippery Rock and Harrisburg.
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
247 mi · 04h 28m
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.
Sunny leaving Slippery Rock and Sunny near Harrisburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Slippery Rock to Harrisburg?
The road trip is about 354.2 miles (570 km) and usually takes 06h 45m 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?
Carroll is a useful midpoint, sitting about 176.9 miles from Slippery Rock and 177.3 miles from Harrisburg.
How much longer is the road route than the straight-line distance?
The direct path is about 273.1 miles (439.5 km), while the road route adds roughly 81.1 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 $51.08 one way or $102.15 round trip. Estimated CO2 is about 111.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Slippery Rock and Sunny near Harrisburg.
Stop Ideas Near Carroll
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 Carroll.
Lewistown
Harrisburg Transportation Center
Huntingdon
Tyrone
Flight Path Map
This map shows the direct air route between Slippery Rock and Harrisburg. Straight-line distance: 273.09 mi (439.5 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 Harrisburg
Harrisburg is a place in Pennsylvania, United States.
| Population | 0 |
| Coordinates | 40.0556700, -75.0251700 |
| Altitude | 23 |
| Country | United States |
End: Harrisburg (-75.02517, 40.05567)
Estimated Travel Time
Distance: 570 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 48m |
| 40 mph (64.37 km/h) | 08h 51m |
| 50 mph (80.47 km/h) | 07h 05m |
| 60 mph (96.56 km/h) | 05h 54m |
| 70 mph (112.65 km/h) | 05h 03m |
| 80 mph (129 km/h) | 04h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $51.08 | $102.15 |
| Mid-grade | $4.60 | $57.49 | $114.98 |
| Premium | $4.95 | $61.93 | $123.85 |
| Diesel | $5.98 | $74.75 | $149.50 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.