How far is Harrisburg, PA from Saint Marys, PA?
The driving distance from Harrisburg, PA to Saint Marys, PA is about 162 miles (260.7 km), with a travel time of about 03h 35m by car.
- The straight-line flight distance is about 118.5 miles (190.7 km).
- For a round trip, plan for roughly 07h 10m 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 35m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain And Snow Showers
Driving Route Map
The map below follows the saved road route between Harrisburg and Saint Marys.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harrisburg and Saint Marys.
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1
Start on North 7th Street
27 m · 3 sec · North 7th Street
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2
Enter the roundabout and take exit 1 toward North 7th Street
25 m · 3 sec · North 7th Street
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3
Exit the roundabout onto North 7th Street
2757 ft · 2 min · North 7th Street
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4
Turn right onto Maclay Street
2176 ft · 55 sec · Maclay Street
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5
Turn left onto North Cameron Street
53.1 mi · 1 hr 6 min · North Cameron Street
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6
Keep slight left to continue on US 22 West, US 322 West: Mount Union, State College
24.5 mi · 32 min
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7
Continue on Boal Avenue
2.6 mi · 4 min · Boal Avenue
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8
Continue on Mount Nittany Expressway
17.5 mi · 21 min · Mount Nittany Expressway
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9
Keep slight right to continue on 28th Division Highway
1.6 km · 1 min · 28th Division Highway
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10
Continue on Port Matilda Highway
10.1 mi · 14 min · Port Matilda Highway
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11
Continue on Railroad Street
1 mi · 2 min · Railroad Street
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12
Turn right onto North Centre Street
783 ft · 10 sec · North Centre Street
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13
Continue on North Front Street
1650 ft · 26 sec · North Front Street
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14
Continue on Philipsburg Bigler Highway
7.1 mi · 8 min · Philipsburg Bigler Highway
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15
Continue on Woodland Bigler Highway
2.8 mi · 3 min · Woodland Bigler Highway
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16
Turn right onto Shawville Highway
1.6 mi · 2 min · Shawville Highway
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17
Take the exit left
1675 ft · 41 sec
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18
Merge slight left onto Keystone Shortway
11.6 mi · 12 min · Keystone Shortway
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19
Take the exit slight right toward PA 153: Clearfield, Penfield
2880 ft · 1 min
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20
Keep slight right
1315 ft · 32 sec
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21
Turn straight onto State Park Road
7.5 mi · 13 min · State Park Road
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22
Turn right onto Bennetts Valley Highway
7.9 mi · 13 min · Bennetts Valley Highway
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23
Continue on Million Dollar Highway
1235 ft · 21 sec · Million Dollar Highway
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24
Continue on Bennetts Valley Highway
2.6 mi · 4 min · Bennetts Valley Highway
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25
Turn straight onto Million Dollar Highway
8.1 mi · 12 min · Million Dollar Highway
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26
Continue on South Saint Marys Street
747 ft · 15 sec · South Saint Marys Street
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27
Turn right onto Railroad Street
31 m · 2 sec · Railroad Street
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28
Arrive at your destination
0 m · 1 sec · Railroad Street
Car Route Details
A richer read on the saved driving route between Harrisburg and Saint Marys.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
North Cameron Street
Turn left onto North Cameron Street
53.1 mi · 01h 06m
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.
Chance Rain Showers leaving Harrisburg and Chance Rain And Snow Showers near Saint Marys.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harrisburg to Saint Marys?
The road trip is about 162 miles (260.7 km) and usually takes 03h 35m 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?
Boalsburg is a useful midpoint, sitting about 80.9 miles from Harrisburg and 81 miles from Saint Marys.
How much longer is the road route than the straight-line distance?
The direct path is about 118.5 miles (190.7 km), while the road route adds roughly 43.5 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 9:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.33 one way or $46.66 round trip. Estimated CO2 is about 50.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Harrisburg and Chance Rain And Snow Showers near Saint Marys.
Stop Ideas Near Boalsburg
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 Boalsburg.
Lewistown
Huntingdon
Tyrone
Altoona Transportation Center
Flight Path Map
This map shows the direct air route between Harrisburg and Saint Marys. Straight-line distance: 118.46 mi (190.65 km).
#1 Harrisburg
The capital of Pennsylvania.
| Population | 49,322 |
| Coordinates | 40.2737000, -76.8844200 |
| Altitude | 101 |
| Country | United States |
#2 Saint Marys
City in Camden County, Georgia, USA
| Population | 12,157 |
| Coordinates | 41.4278400, -78.5608600 |
| Altitude | 506 |
| Country | United States |
End: Saint Marys (-78.56086, 41.42784)
Estimated Travel Time
Distance: 261 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 23m |
| 40 mph (64.37 km/h) | 04h 02m |
| 50 mph (80.47 km/h) | 03h 14m |
| 60 mph (96.56 km/h) | 02h 41m |
| 70 mph (112.65 km/h) | 02h 18m |
| 80 mph (129 km/h) | 02h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $23.33 | $46.66 |
| Mid-grade | $4.60 | $26.26 | $52.52 |
| Premium | $4.95 | $28.29 | $56.57 |
| Diesel | $5.98 | $34.15 | $68.29 |
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.