How far is Saint Marys, PA from Pittsburgh, PA?
The driving distance from Saint Marys, PA to Pittsburgh, PA is about 127.1 miles (204.5 km), with a travel time of about 02h 36m by car.
- The straight-line flight distance is about 101.3 miles (163 km).
- For a round trip, plan for roughly 05h 12m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 36m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Saint Marys and Pittsburgh.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Pittsburgh.
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1
Start on Railroad Street
14 m · 2 sec · Railroad Street
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2
Turn left onto South Michael Street
68 m · 4 sec · South Michael Street
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3
Turn slight left
1068 ft · 26 sec
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4
Turn right onto State Street
1.2 km · 1 min · State Street
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5
Continue on Ridgway Road
4 mi · 6 min · Ridgway Road
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6
Continue on Front Street
5.2 mi · 8 min · Front Street
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7
Keep slight left to continue on Depot Street
1159 ft · 21 sec · Depot Street
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8
At the end of the road, turn right onto Main Street
1259 ft · 52 sec · Main Street
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9
Turn left onto South Mill Avenue
830 ft · 16 sec · South Mill Avenue
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10
At the end of the road, turn right onto South Street
1348 ft · 23 sec · South Street
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11
Continue on State Street
2213 ft · 37 sec · State Street
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12
Continue on Portland Mills Road
10.7 mi · 16 min · Portland Mills Road
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13
Continue on Lake City Road
5.5 mi · 8 min · Lake City Road
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14
Continue on Richardsville Road
14.3 mi · 21 min · Richardsville Road
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15
Continue on Richards St
1.5 km · 2 min · Richards St
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16
At the end of the road, turn right onto E Main St
58 m · 5 sec · E Main St
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17
Continue on East Main Street
1.1 km · 2 min · East Main Street
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18
Continue on South Main Street
1.4 km · 2 min · South Main Street
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19
Turn left onto Allegheny Boulevard
18.1 mi · 27 min · Allegheny Boulevard
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20
Continue on Broad Street
1.2 mi · 2 min · Broad Street
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21
Continue on North Street
21.3 mi · 30 min · North Street
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22
Take the exit slight right toward PA 28 South: Pittsburgh
1.3 km · 1 min
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23
Continue on Allegheny Valley Expressway
36.9 mi · 48 min · Allegheny Valley Expressway
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24
Take the exit slight right toward I 579 South, I 279 South: Veterans Bridge, Monroeville, Fort Pitt Bridge, Airport
55 m · 4 sec
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25
Keep slight left to continue on I 579 South: Veterans Bridge, Monroeville
1602 ft · 43 sec
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26
Merge slight left onto Veterans Bridge
1433 ft · 28 sec · Veterans Bridge
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27
Take the exit slight right toward 7th Avenue, 6th Avenue
1874 ft · 53 sec
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28
Keep slight left to continue on PPG Arena, 6th Avenue
153 m · 14 sec
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29
Turn straight onto Bigelow Boulevard
68 m · 4 sec · Bigelow Boulevard
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30
Continue on Bigelow Square
118 m · 6 sec · Bigelow Square
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31
Turn right onto Sixth Avenue
106 m · 11 sec · Sixth Avenue
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32
Turn left onto Grant Street
90 m · 22 sec · Grant Street
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33
Continue on Grant Street
77 m · 14 sec · Grant Street
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34
Arrive at your destination
0 m · 1 sec · Grant Street
Car Route Details
A richer read on the saved driving route between Saint Marys and Pittsburgh.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Allegheny Valley Expressway
Continue on Allegheny Valley Expressway
36.9 mi · 00h 48m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Showers And Thunderstorms leaving Saint Marys and Rain Showers Likely near Pittsburgh.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Pittsburgh?
The road trip is about 127.1 miles (204.5 km) and usually takes 02h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Millville is a useful midpoint, sitting about 62.1 miles from Saint Marys and 65 miles from Pittsburgh.
How much longer is the road route than the straight-line distance?
The direct path is about 101.3 miles (163 km), while the road route adds roughly 25.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.35 one way or $36.69 round trip. Estimated CO2 is about 39.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Saint Marys and Rain Showers Likely near Pittsburgh.
Stop Ideas Near Millville
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 Millville.
Latrobe station
Greensburg
Johnstown
Union Station
Flight Path Map
This map shows the direct air route between Saint Marys and Pittsburgh. Straight-line distance: 101.31 mi (163.04 km).
#1 Saint Marys
City in Camden County, Georgia, USA
| Population | 12,157 |
| Coordinates | 41.4278400, -78.5608600 |
| Altitude | 506 |
| Country | United States |
#2 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 |
End: Grant Street (-79.995923, 40.440633)
Estimated Travel Time
Distance: 205 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 14m |
| 40 mph (64.37 km/h) | 03h 10m |
| 50 mph (80.47 km/h) | 02h 32m |
| 60 mph (96.56 km/h) | 02h 07m |
| 70 mph (112.65 km/h) | 01h 48m |
| 80 mph (129 km/h) | 01h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $18.35 | $36.69 |
| Mid-grade | $4.60 | $20.65 | $41.30 |
| Premium | $4.95 | $22.24 | $44.49 |
| Diesel | $5.98 | $26.85 | $53.70 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.