How far is Saint Marys, PA from Penn Hills, PA?
The driving distance from Saint Marys, PA to Penn Hills, PA is about 117.8 miles (189.6 km), with a travel time of about 02h 29m by car.
- The straight-line flight distance is about 92.5 miles (148.8 km).
- For a round trip, plan for roughly 04h 58m 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 29m.
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 of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Saint Marys and Penn Hills.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Penn Hills.
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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
-
23
Continue on Allegheny Valley Expressway
24.8 mi · 30 min · Allegheny Valley Expressway
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24
Take the exit slight right toward PA 910: Harmar
1379 ft · 36 sec
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25
At the end of the road, turn left onto Indianola Road
3060 ft · 1 min · Indianola Road
-
26
Turn right onto Freeport Road
1.3 km · 2 min · Freeport Road
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27
Turn left onto Hulton Bridge
1749 ft · 43 sec · Hulton Bridge
-
28
Continue on Hulton Road
1183 ft · 35 sec · Hulton Road
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29
Turn right onto Allegheny River Boulevard
1.5 mi · 4 min · Allegheny River Boulevard
-
30
Turn left onto Wildwood Avenue
2206 ft · 1 min · Wildwood Avenue
-
31
Turn right onto Mount Avenue
158 m · 25 sec · Mount Avenue
-
32
Turn right onto Sylvan Avenue
41 m · 6 sec · Sylvan Avenue
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33
Arrive at your destination
0 m · 1 sec · Sylvan Avenue
Car Route Details
A richer read on the saved driving route between Saint Marys and Penn Hills.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Allegheny Valley Expressway
Continue on Allegheny Valley Expressway
24.8 mi · 00h 30m
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.
Partly Sunny leaving Saint Marys and Mostly Cloudy near Penn Hills.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Penn Hills?
The road trip is about 117.8 miles (189.6 km) and usually takes 02h 29m 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?
Hawthorn is a useful midpoint, sitting about 57.4 miles from Saint Marys and 60.5 miles from Penn Hills.
How much longer is the road route than the straight-line distance?
The direct path is about 92.5 miles (148.8 km), while the road route adds roughly 25.3 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 1:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.57 one way or $37.14 round trip. Estimated CO2 is about 37 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Saint Marys and Mostly Cloudy near Penn Hills.
Stop Ideas Near Hawthorn
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 Hawthorn.
Latrobe station
Johnstown
Greensburg
Union Station
Flight Path Map
This map shows the direct air route between Saint Marys and Penn Hills. Straight-line distance: 92.45 mi (148.79 km).
#1 Saint Marys
City in Camden County, Georgia, USA
| Population | 12,157 |
| Coordinates | 41.4278400, -78.5608600 |
| Altitude | 506 |
| Country | United States |
#2 Penn Hills
A borough in Allegheny County, Pennsylvania.
| Population | 40,517 |
| Coordinates | 40.5011800, -79.8392200 |
| Altitude | 286 |
| Country | United States |
End: Sylvan Avenue (-79.839476, 40.501166)
Estimated Travel Time
Distance: 190 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 55m |
| 40 mph (64.37 km/h) | 02h 56m |
| 50 mph (80.47 km/h) | 02h 21m |
| 60 mph (96.56 km/h) | 01h 57m |
| 70 mph (112.65 km/h) | 01h 40m |
| 80 mph (129 km/h) | 01h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.46 | $18.57 | $37.14 |
| Mid-grade | $4.93 | $20.49 | $40.98 |
| Premium | $5.31 | $22.07 | $44.14 |
| Diesel | $6.55 | $27.25 | $54.50 |
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 · Oct 15, 2026