How far is Altoona, PA from South Williamsport, PA?
The driving distance from Altoona, PA to South Williamsport, PA is about 102.3 miles (164.6 km), with a travel time of about 02h 03m by car.
- The straight-line flight distance is about 88 miles (141.6 km).
- For a round trip, plan for roughly 04h 06m 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 03m.
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.
County seat of Centre County, Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Altoona and South Williamsport.
Turn-by-Turn Driving Directions
Step-by-step road directions between Altoona and South Williamsport.
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1
Start on 7th Street
1010 ft · 24 sec · 7th Street
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2
Turn left onto Lexington Avenue
78 m · 17 sec · Lexington Avenue
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3
Turn left onto 8th Street
2072 ft · 46 sec · 8th Street
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4
Turn left onto 6th Avenue
1.6 mi · 2 min · 6th Avenue
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5
Turn right onto Greenwood Road
3260 ft · 1 min · Greenwood Road
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6
Turn left onto East Walton Avenue
862 ft · 21 sec · East Walton Avenue
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7
Turn left onto East Pleasant Valley Boulevard
2.8 mi · 4 min · East Pleasant Valley Boulevard
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8
Turn right onto Sabbath Rest Road
3233 ft · 1 min · Sabbath Rest Road
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9
Take the ramp left toward I 99 North, US 220 North: Tyrone
1563 ft · 38 sec
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10
Merge slight left
30.6 mi · 33 min
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11
Keep slight left
4 mi · 5 min
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12
Keep slight left to continue on I 99 North, US 220 North: Bellefonte
12.3 mi · 15 min
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13
Turn left onto I 80 East, US 220 North: Williamsport
1283 ft · 31 sec
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14
Merge slight left onto Keystone Shortway
12.3 mi · 13 min · Keystone Shortway
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15
Take the exit slight right toward PA 64: Pleasant Gap, Mill Hall
2074 ft · 54 sec
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16
Turn left onto Nittany Valley Drive
4.5 mi · 8 min · Nittany Valley Drive
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17
Turn right onto Long Run Road
105 m · 7 sec · Long Run Road
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18
Take the ramp slight right
1182 ft · 40 sec
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19
Turn sharp left onto Frank D O'Reilly Jr Highway
5.7 mi · 7 min · Frank D O'Reilly Jr Highway
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20
Continue on Appalachian Thwy
1369 ft · 18 sec · Appalachian Thwy
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21
Continue on Appalachian Thruway
10.4 mi · 12 min · Appalachian Thruway
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22
Continue on Susquehanna Beltway
13.8 mi · 16 min · Susquehanna Beltway
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23
Take the exit slight right toward US 15 South: Lewisburg
949 ft · 23 sec
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24
Keep slight right
48 m · 6 sec
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25
Merge slight left onto Market Street
2110 ft · 55 sec · Market Street
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26
Turn right onto West Southern Avenue
1332 ft · 32 sec · West Southern Avenue
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27
Arrive at your destination
0 m · 1 sec · West Southern Avenue
Car Route Details
A richer read on the saved driving route between Altoona and South Williamsport.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 99 North
Merge slight left
30.6 mi · 00h 33m
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 Altoona and Partly Sunny near South Williamsport.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Altoona to South Williamsport?
The road trip is about 102.3 miles (164.6 km) and usually takes 02h 03m 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?
Bellefonte is a useful midpoint, sitting about 51.1 miles from Altoona and 51.2 miles from South Williamsport.
How much longer is the road route than the straight-line distance?
The direct path is about 88 miles (141.6 km), while the road route adds roughly 14.3 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 2:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.75 one way or $29.50 round trip. Estimated CO2 is about 32.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Altoona and Partly Sunny near South Williamsport.
Stop Ideas Near Bellefonte
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 Bellefonte.
Lewistown
Tyrone
Huntingdon
Altoona Transportation Center
Flight Path Map
This map shows the direct air route between Altoona and South Williamsport. Straight-line distance: 88 mi (141.63 km).
#1 Altoona
A city in Blair County, Pennsylvania.
| Population | 42,989 |
| Coordinates | 40.5186800, -78.3947400 |
| Altitude | 355 |
| Country | United States |
#2 South Williamsport
Borough in Lycoming County, Pennsylvania
| Population | 6,064 |
| Coordinates | 41.2320200, -76.9991300 |
| Altitude | 159 |
| Country | United States |
End: South Williamsport (-76.99913, 41.23202)
Estimated Travel Time
Distance: 165 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 24m |
| 40 mph (64.37 km/h) | 02h 33m |
| 50 mph (80.47 km/h) | 02h 02m |
| 60 mph (96.56 km/h) | 01h 42m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $14.75 | $29.50 |
| Mid-grade | $4.60 | $16.60 | $33.20 |
| Premium | $4.95 | $17.88 | $35.77 |
| Diesel | $5.98 | $21.59 | $43.18 |
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.