How far is South Union, PA from Altoona, PA?
The driving distance from South Union, PA to Altoona, PA is about 135.3 miles (217.7 km), with a travel time of about 02h 21m by car.
- The straight-line flight distance is about 102.7 miles (165.3 km).
- For a round trip, plan for roughly 04h 43m 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 21m.
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.
Clinton County, Pennsylvania, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between South Union and Altoona.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Union and Altoona.
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1
Start on South Union Road
25 m · 6 sec · South Union Road
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2
Turn right onto Beck Road
1.5 km · 4 min · Beck Road
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3
Turn right onto Salt Spring Road
1.5 mi · 6 min · Salt Spring Road
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4
At the end of the road, turn left
4.3 mi · 8 min
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5
At the end of the road, turn left onto Blockhouse Road
1901 ft · 40 sec · Blockhouse Road
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6
Turn right onto Route 414
1.1 km · 1 min · Route 414
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7
Take the ramp left
1061 ft · 26 sec
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8
Merge slight left onto Appalachian Thruway
26.7 mi · 30 min · Appalachian Thruway
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9
Take the exit slight right toward US 220 South: Lock Haven
2882 ft · 1 min
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10
Merge slight left onto Susquehanna Beltway
11.4 mi · 16 min · Susquehanna Beltway
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11
Continue on Appalachian Thruway
15.9 mi · 18 min · Appalachian Thruway
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12
Take the exit slight right toward PA 477: Salona
1434 ft · 51 sec
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13
Turn right onto Long Run Road
134 m · 11 sec · Long Run Road
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14
At the end of the road, turn left onto Nittany Valley Drive
4.4 mi · 7 min · Nittany Valley Drive
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15
Take the ramp slight right
2208 ft · 54 sec
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16
Merge slight left onto Keystone Shortway
11.8 mi · 13 min · Keystone Shortway
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17
Take the exit slight right toward I 99 South, US 220 South, PA 26: Bellefonte
1410 ft · 54 sec
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18
Turn left onto Jacksonville Road
24.2 mi · 28 min · Jacksonville Road
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19
Keep slight left to continue on I 99 South, US 220 South: Port Matilda, Altoona
23.3 mi · 25 min
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20
Take the exit slight right toward PA 764 South: Pinecroft
1574 ft · 39 sec
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21
Turn right onto Sabbath Rest Road
2648 ft · 52 sec · Sabbath Rest Road
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22
Turn left onto East Pleasant Valley Boulevard
2.8 mi · 4 min · East Pleasant Valley Boulevard
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23
Turn right onto Rutgers Lane
53 m · 3 sec · Rutgers Lane
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24
Continue on East Walton Avenue
687 ft · 15 sec · East Walton Avenue
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25
Turn right onto Greenwood Road
3260 ft · 1 min · Greenwood Road
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26
At the end of the road, turn left onto 6th Avenue Road
3151 ft · 53 sec · 6th Avenue Road
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27
Continue on East 6th Avenue
1340 ft · 23 sec · East 6th Avenue
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28
Continue on Bellwood Avenue
1156 ft · 19 sec · Bellwood Avenue
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29
Turn slight left onto 7th Avenue
2333 ft · 43 sec · 7th Avenue
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30
Turn right onto 7th Street
669 ft · 11 sec · 7th Street
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31
Arrive at your destination
0 m · 1 sec · 7th Street
Car Route Details
A richer read on the saved driving route between South Union and Altoona.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Appalachian Thruway
Merge slight left onto Appalachian Thruway
26.7 mi · 00h 30m
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.
Sunny leaving South Union and Sunny near Altoona.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Union to Altoona?
The road trip is about 135.3 miles (217.7 km) and usually takes 02h 21m 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?
Lamar is a useful midpoint, sitting about 66.5 miles from South Union and 68.7 miles from Altoona.
How much longer is the road route than the straight-line distance?
The direct path is about 102.7 miles (165.3 km), while the road route adds roughly 32.6 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 1:46 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.49 one way or $38.98 round trip. Estimated CO2 is about 42.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around South Union and Sunny near Altoona.
Stop Ideas Near Lamar
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 Lamar.
Lewistown
Tyrone
Huntingdon
Altoona Transportation Center
Flight Path Map
This map shows the direct air route between South Union and Altoona. Straight-line distance: 102.71 mi (165.29 km).
#1 South Union
Township in Fayette County, Pennsylvania
| Population | 10,106 |
| Coordinates | 41.5681300, -76.9988600 |
| Altitude | 552 |
| Country | United States |
#2 Altoona
A city in Blair County, Pennsylvania.
| Population | 42,989 |
| Coordinates | 40.5186800, -78.3947400 |
| Altitude | 355 |
| Country | United States |
End: 7th Street (-78.394928, 40.518478)
Estimated Travel Time
Distance: 218 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 30m |
| 40 mph (64.37 km/h) | 03h 22m |
| 50 mph (80.47 km/h) | 02h 42m |
| 60 mph (96.56 km/h) | 02h 15m |
| 70 mph (112.65 km/h) | 01h 55m |
| 80 mph (129 km/h) | 01h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $19.49 | $38.98 |
| Mid-grade | $4.60 | $21.94 | $43.87 |
| Premium | $4.95 | $23.63 | $47.26 |
| Diesel | $5.98 | $28.52 | $57.05 |
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 · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.