How far is Pittsburgh, PA from Lafayette, PA?
The driving distance from Pittsburgh, PA to Lafayette, PA is about 146.9 miles (236.4 km), with a travel time of about 03h 26m by car.
- The straight-line flight distance is about 115.9 miles (186.5 km).
- For a round trip, plan for roughly 06h 53m 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 03h 26m.
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 Jefferson County, Pennsylvania, United States
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 Pittsburgh and Lafayette.
Turn-by-Turn Driving Directions
Step-by-step road directions between Pittsburgh and Lafayette.
-
1
Start on Grant Street
14 m · 5 sec · Grant Street
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2
Turn right onto Sixth Avenue
94 m · 10 sec · Sixth Avenue
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3
Turn left onto Bigelow Square
111 m · 8 sec · Bigelow Square
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4
Continue on Bigelow Boulevard
871 ft · 19 sec · Bigelow Boulevard
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5
Take the ramp straight toward I 579: Veterans Bridge
1955 ft · 47 sec
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6
Merge slight left onto Veterans Bridge
1667 ft · 28 sec · Veterans Bridge
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7
Take the exit slight right toward PA 28: Etna
1890 ft · 54 sec
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8
Merge slight left onto Allegheny Valley Expressway
36.8 mi · 48 min · Allegheny Valley Expressway
-
9
Keep slight right to continue on US 422 East, PA 28 North: Kittanning, Indiana
1 km · 52 sec
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10
Merge slight left
5.1 mi · 7 min
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11
Continue straight
35.7 mi · 52 min
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12
Turn right onto South Main Street
1.6 mi · 4 min · South Main Street
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13
Turn left onto Richards St
1.5 km · 2 min · Richards St
-
14
Continue on Richardsville Road
14.3 mi · 21 min · Richardsville Road
-
15
Continue straight
16.9 mi · 25 min
-
16
Turn left onto South Mill Avenue
830 ft · 18 sec · South Mill Avenue
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17
Turn right onto Main Street
159 m · 25 sec · Main Street
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18
Turn left onto North Broad Street
1.7 mi · 5 min · North Broad Street
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19
Continue on Ridgway-Johnsonburg Road
5.7 mi · 8 min · Ridgway-Johnsonburg Road
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20
Continue on Johnsonburg Bypass
1.2 mi · 1 min · Johnsonburg Bypass
-
21
Continue on Market Street
1.2 mi · 1 min · Market Street
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22
Continue on Wilcox Road
4.1 mi · 5 min · Wilcox Road
-
23
Keep slight right
18.2 mi · 21 min
-
24
Turn right onto Mt Alton Road
1.3 mi · 2 min · Mt Alton Road
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25
Arrive at your destination
0 m · 1 sec · Mt Alton Road
Car Route Details
A richer read on the saved driving route between Pittsburgh and Lafayette.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Allegheny Valley Expressway
Merge slight left onto Allegheny Valley Expressway
36.8 mi · 00h 48m
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 Pittsburgh and Sunny near Lafayette.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Pittsburgh to Lafayette?
The road trip is about 146.9 miles (236.4 km) and usually takes 03h 26m 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?
Summerville is a useful midpoint, sitting about 73.4 miles from Pittsburgh and 73.4 miles from Lafayette.
How much longer is the road route than the straight-line distance?
The direct path is about 115.9 miles (186.5 km), while the road route adds roughly 31 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 10:06 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.17 one way or $42.33 round trip. Estimated CO2 is about 46 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Pittsburgh and Sunny near Lafayette.
Stop Ideas Near Summerville
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 Summerville.
Johnstown
Latrobe station
Altoona Transportation Center
Tyrone
Flight Path Map
This map shows the direct air route between Pittsburgh and Lafayette. Straight-line distance: 115.9 mi (186.52 km).
#1 Pittsburgh
The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area.
| Population | 299,226 |
| Coordinates | 40.4406200, -79.9958900 |
| Altitude | 233 |
| Country | United States |
#2 Lafayette
Township of Pennsylvania
| Population | 2,023 |
| Coordinates | 41.7936700, -78.6797500 |
| Altitude | 655 |
| Country | United States |
End: Lafayette (-78.67975, 41.79367)
Estimated Travel Time
Distance: 236 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 53m |
| 40 mph (64.37 km/h) | 03h 40m |
| 50 mph (80.47 km/h) | 02h 56m |
| 60 mph (96.56 km/h) | 02h 26m |
| 70 mph (112.65 km/h) | 02h 05m |
| 80 mph (129 km/h) | 01h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $21.17 | $42.33 |
| Mid-grade | $4.60 | $23.82 | $47.65 |
| Premium | $4.95 | $25.66 | $51.32 |
| Diesel | $5.98 | $30.98 | $61.95 |
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.