How far is Saint Marys, PA from McMurray, PA?
The driving distance from Saint Marys, PA to McMurray, PA is about 149.9 miles (241.2 km), with a travel time of about 03h 04m by car.
- The straight-line flight distance is about 112.5 miles (181 km).
- For a round trip, plan for roughly 06h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
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 04m.
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.
Light Rain
Light Rain
Driving Route Map
The map below follows the saved road route between Saint Marys and McMurray.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and McMurray.
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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
6.9 mi · 14 min · Washington Road
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31
Turn left onto Valley Brook Ramp
136 m · 17 sec · Valley Brook Ramp
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32
Continue on Valley Brook Road
1.4 mi · 3 min · Valley Brook Road
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33
Turn right onto East McMurray Road
128 m · 17 sec · East McMurray Road
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34
Turn left onto Thomas Road
16 m · 3 sec · Thomas Road
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35
Arrive at your destination
0 m · 1 sec · Thomas Road
Car Route Details
A richer read on the saved driving route between Saint Marys and McMurray.
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
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.
Light Rain leaving Saint Marys and Light Rain near McMurray.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to McMurray?
The road trip is about 149.9 miles (241.2 km) and usually takes 03h 04m 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 69.1 miles from Saint Marys and 80.8 miles from McMurray.
How much longer is the road route than the straight-line distance?
The direct path is about 112.5 miles (181 km), while the road route adds roughly 37.4 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 EST. If you want a more comfortable same-day return, try to leave by 10:50 AM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.94 one way or $45.89 round trip. Estimated CO2 is about 47 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain around Saint Marys and Light Rain near McMurray.
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 McMurray. Straight-line distance: 112.47 mi (181 km).
#1 Saint Marys
City in Camden County, Georgia, USA
| Population | 12,157 |
| Coordinates | 41.4278400, -78.5608600 |
| Altitude | 506 |
| Country | United States |
#2 McMurray
Census-designated place in Peters Township, Washington County, Pennsylvania (USA)
| Population | 66,573 |
| Coordinates | 40.2778500, -80.0839400 |
| Altitude | 305 |
| Country | United States |
End: Thomas Road (-80.08396, 40.277824)
Estimated Travel Time
Distance: 241 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 59m |
| 40 mph (64.37 km/h) | 03h 44m |
| 50 mph (80.47 km/h) | 02h 59m |
| 60 mph (96.56 km/h) | 02h 29m |
| 70 mph (112.65 km/h) | 02h 08m |
| 80 mph (129 km/h) | 01h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.34 | $22.94 | $45.89 |
| Mid-grade | $4.77 | $25.22 | $50.45 |
| Premium | $5.21 | $27.57 | $55.13 |
| Diesel | $6.54 | $34.62 | $69.24 |
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 · Nov 11, 2026