How far is Saint Marys, PA from Harrisburg, PA?
The driving distance from Saint Marys, PA to Harrisburg, PA is about 162.5 miles (261.5 km), with a travel time of about 03h 04m by car.
- The straight-line flight distance is about 118.5 miles (190.7 km).
- For a round trip, plan for roughly 06h 08m 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 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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Mostly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Saint Marys and Harrisburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Marys and Harrisburg.
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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 · 22 sec
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4
Continue on Million Dollar Highway
10.9 mi · 16 min · Million Dollar Highway
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5
Continue on Bennetts Valley Highway
7.9 mi · 13 min · Bennetts Valley Highway
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6
Turn left onto State Park Road
8.1 mi · 14 min · State Park Road
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7
Turn left
1681 ft · 41 sec
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8
Merge slight left onto Keystone Shortway
11.7 mi · 12 min · Keystone Shortway
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9
Take the exit slight right toward PA 970 to US 322: Woodland, Shawville
1699 ft · 43 sec
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10
Merge slight left onto Shawville Highway
1.4 mi · 2 min · Shawville Highway
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11
Turn left onto Woodland Bigler Highway
2.8 mi · 3 min · Woodland Bigler Highway
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12
Continue on Philipsburg Bigler Highway
7.1 mi · 8 min · Philipsburg Bigler Highway
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13
Continue on North Front Street
1650 ft · 24 sec · North Front Street
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14
Continue on North Centre Street
783 ft · 15 sec · North Centre Street
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15
Turn left onto Railroad Street
1.1 mi · 2 min · Railroad Street
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16
Continue on Port Matilda Highway
5.9 mi · 8 min · Port Matilda Highway
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17
Turn slight right onto Upper Flat Rock Road
2.2 mi · 3 min · Upper Flat Rock Road
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18
Continue on Flat Rock Road
1.8 mi · 2 min · Flat Rock Road
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19
Continue on 28th Division Highway
8.6 mi · 10 min · 28th Division Highway
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20
Keep slight left
4 mi · 5 min
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21
Keep slight right to continue on Mount Nittany Expressway
6.2 mi · 9 min · Mount Nittany Expressway
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22
Continue on Boal Avenue
2.6 mi · 4 min · Boal Avenue
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23
Continue on General Potter Highway
78.2 mi · 1 hr 40 min · General Potter Highway
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24
Turn right onto Herr Street
1643 ft · 45 sec · Herr Street
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25
Turn right onto North 7th Street
1377 ft · 47 sec · North 7th Street
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26
Arrive at your destination
0 m · 1 sec · North 7th Street
Car Route Details
A richer read on the saved driving route between Saint Marys and Harrisburg.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
General Potter Highway
Continue on General Potter Highway
78.2 mi · 01h 40m
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 Mostly Sunny then Slight Chance Rain Showers near Harrisburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Marys to Harrisburg?
The road trip is about 162.5 miles (261.5 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?
Boalsburg is a useful midpoint, sitting about 81.2 miles from Saint Marys and 81.3 miles from Harrisburg.
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 44 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 10:52 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.45 one way or $46.91 round trip. Estimated CO2 is about 51 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Saint Marys and Mostly Sunny then Slight Chance Rain Showers near Harrisburg.
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 Saint Marys and Harrisburg. Straight-line distance: 118.46 mi (190.65 km).
#1 Saint Marys
City in Camden County, Georgia, USA
| Population | 12,157 |
| Coordinates | 41.4278400, -78.5608600 |
| Altitude | 506 |
| Country | United States |
#2 Harrisburg
The capital of Pennsylvania.
| Population | 49,322 |
| Coordinates | 40.2737000, -76.8844200 |
| Altitude | 101 |
| Country | United States |
End: North 7th Street (-76.884584, 40.273641)
Estimated Travel Time
Distance: 262 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 24m |
| 40 mph (64.37 km/h) | 04h 03m |
| 50 mph (80.47 km/h) | 03h 14m |
| 60 mph (96.56 km/h) | 02h 42m |
| 70 mph (112.65 km/h) | 02h 19m |
| 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 | $23.45 | $46.91 |
| Mid-grade | $4.60 | $26.40 | $52.80 |
| Premium | $4.95 | $28.44 | $56.87 |
| Diesel | $5.98 | $34.33 | $68.65 |
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.