How far is Saint Marys, PA from Bethel Park, PA?
The driving distance from Saint Marys, PA to Bethel Park, PA is about 134.4 miles (216.3 km), with a travel time of about 03h 22m by car.
- The straight-line flight distance is about 108.4 miles (174.4 km).
- For a round trip, plan for roughly 06h 45m 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 22m.
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 of Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Saint Marys and Bethel Park.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Bethel Park.
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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 right to continue on I 279 South: Fort Pitt Bridge, Airport
2095 ft · 1 min
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26
Merge slight left onto North Shore Expressway
1.1 km · 51 sec · North Shore Expressway
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27
Continue on Fort Duquesne Bridge
1.9 mi · 3 min · Fort Duquesne Bridge
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28
Take the exit slight right toward US 19 South: Banksville Road
3.3 mi · 8 min
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29
Turn left onto Cochran Road
1 mi · 2 min · Cochran Road
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30
Turn right onto Washington Road
2 mi · 5 min · Washington Road
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31
Turn left onto Fort Couch Road
1.4 km · 2 min · Fort Couch Road
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32
Continue on Bethel Church Road
1545 ft · 45 sec · Bethel Church Road
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33
Turn left onto Logan Road
2375 ft · 1 min · Logan Road
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34
Turn left onto South Park Road
2937 ft · 1 min · South Park Road
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35
Turn right
13 m · 5 sec
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36
Turn right
6 m · 7 sec
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37
Turn left
31 m · 7 sec
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38
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Marys and Bethel Park.
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
36.9 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.
Showers And Thunderstorms leaving Saint Marys and Showers And Thunderstorms Likely near Bethel Park.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Bethel Park?
The road trip is about 134.4 miles (216.3 km) and usually takes 03h 22m 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?
South Bethlehem is a useful midpoint, sitting about 67.2 miles from Saint Marys and 67.2 miles from Bethel Park.
How much longer is the road route than the straight-line distance?
The direct path is about 108.4 miles (174.4 km), while the road route adds roughly 26 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 10:14 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.37 one way or $38.74 round trip. Estimated CO2 is about 42.1 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Saint Marys and Showers And Thunderstorms Likely near Bethel Park.
Stop Ideas Near South Bethlehem
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 South Bethlehem.
Latrobe station
Greensburg
Johnstown
Union Station
Flight Path Map
This map shows the direct air route between Saint Marys and Bethel Park. Straight-line distance: 108.38 mi (174.42 km).
#1 Saint Marys
City in Camden County, Georgia, USA
| Population | 12,157 |
| Coordinates | 41.4278400, -78.5608600 |
| Altitude | 506 |
| Country | United States |
#2 Bethel Park
Home rule municipality of Pennsylvania
| Population | 32,118 |
| Coordinates | 40.3275700, -80.0395000 |
| Altitude | 365 |
| Country | United States |
End: Bethel Park (-80.0395, 40.32757)
Estimated Travel Time
Distance: 216 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 28m |
| 40 mph (64.37 km/h) | 03h 21m |
| 50 mph (80.47 km/h) | 02h 41m |
| 60 mph (96.56 km/h) | 02h 14m |
| 70 mph (112.65 km/h) | 01h 55m |
| 80 mph (129 km/h) | 01h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $19.37 | $38.74 |
| Mid-grade | $4.60 | $21.80 | $43.60 |
| Premium | $4.95 | $23.48 | $46.96 |
| Diesel | $5.98 | $28.35 | $56.69 |
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.