How far is Union, PA from Allentown, PA?
The driving distance from Union, PA to Allentown, PA is about 79.3 miles (127.6 km), with a travel time of about 01h 39m by car.
- The straight-line flight distance is about 63.1 miles (101.6 km).
- For a round trip, plan for roughly 03h 18m 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 01h 39m.
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.
Borough in Susquehanna County, Pennsylvania, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Union and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Allentown.
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1
Start on Clearfield Road
25 m · 6 sec · Clearfield Road
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2
Turn right onto Rawlinsville Road
1.1 km · 2 min · Rawlinsville Road
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3
Turn right onto Miller Road
1.4 km · 2 min · Miller Road
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4
At the end of the road, turn right onto Lancaster Pike
3046 ft · 42 sec · Lancaster Pike
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5
Take the exit slight left
87 m · 9 sec
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6
Merge slight right onto Lancaster Pike
1.5 mi · 2 min · Lancaster Pike
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7
Keep slight right to continue on Lancaster Pike
1959 ft · 30 sec · Lancaster Pike
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8
Continue on Willow Street Pike
2.1 mi · 3 min · Willow Street Pike
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9
Turn right onto East Penn Grant Road
2.1 mi · 4 min · East Penn Grant Road
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10
Continue on Lampeter Road
4.6 mi · 8 min · Lampeter Road
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11
Continue on Pitney Road
1.3 mi · 3 min · Pitney Road
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12
Turn right onto Hempstead Road
2247 ft · 53 sec · Hempstead Road
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13
Turn right onto Greenfield Road
121 m · 8 sec · Greenfield Road
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14
Take the ramp slight right toward US 30 West
1664 ft · 41 sec
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15
Merge slight left
1.5 mi · 2 min
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16
Take the exit slight right toward US 222 North: Reading
2546 ft · 43 sec
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17
Continue straight
18.7 mi · 22 min
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18
Continue straight
11 mi · 15 min
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19
Take the exit slight right toward PA 61 North: Centre Avenue
829 ft · 49 sec
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20
Turn straight onto Centre Avenue
1.1 mi · 2 min · Centre Avenue
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21
Turn right onto Bellevue Avenue
2052 ft · 47 sec · Bellevue Avenue
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22
Turn left onto North 5th Street Highway
1.5 mi · 2 min · North 5th Street Highway
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23
Continue on Allentown Pike
2.5 mi · 4 min · Allentown Pike
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24
Merge slight left onto Kutztown Road
1156 ft · 22 sec · Kutztown Road
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25
Continue on Allentown Pike
1.1 mi · 2 min · Allentown Pike
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26
Enter the roundabout and take exit 2 toward Allentown Pike
49 m · 7 sec · Allentown Pike
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27
Exit the roundabout onto Allentown Pike
2112 ft · 47 sec · Allentown Pike
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28
Enter the roundabout and take exit 2 toward Allentown Pike
37 m · 5 sec · Allentown Pike
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29
Exit the roundabout onto Allentown Pike
1.6 mi · 2 min · Allentown Pike
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30
Continue on Kutztown Road
1.1 mi · 2 min · Kutztown Road
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31
Continue on Allentown Pike
2092 ft · 40 sec · Allentown Pike
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32
Enter the roundabout and take exit 2 toward Kutztown Road
42 m · 2 sec · Kutztown Road
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33
Exit the roundabout onto Kutztown Road
1.5 mi · 2 min · Kutztown Road
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34
Keep slight left
8.7 mi · 11 min
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35
Enter the roundabout and take exit 2 toward Hamilton Boulevard
49 m · 2 sec · Hamilton Boulevard
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36
Exit the roundabout onto Hamilton Boulevard
2.4 mi · 3 min · Hamilton Boulevard
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37
Turn straight onto Trexlertown Bypass
5.7 mi · 8 min · Trexlertown Bypass
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38
Continue on West Hamilton Boulevard
2.1 mi · 4 min · West Hamilton Boulevard
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39
Continue on Hamilton Street
1.3 mi · 2 min · Hamilton Street
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40
Turn left onto North 15th Street
1.1 km · 2 min · North 15th Street
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41
Turn right onto Tilghman Street
765 ft · 15 sec · Tilghman Street
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42
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Union and Allentown.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
US 222 North
Continue straight
18.7 mi · 00h 22m
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.
Chance Rain Showers leaving Union and Rain Showers Likely near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Allentown?
The road trip is about 79.3 miles (127.6 km) and usually takes 01h 39m 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?
Montrose is a useful midpoint, sitting about 39.8 miles from Union and 39.5 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 63.1 miles (101.6 km), while the road route adds roughly 16.2 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 3:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.44 one way or $22.88 round trip. Estimated CO2 is about 24.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Union and Rain Showers Likely near Allentown.
Stop Ideas Near Montrose
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 Montrose.
Coatesville
Parkesburg
Lancaster station
Downingtown
Flight Path Map
This map shows the direct air route between Union and Allentown. Straight-line distance: 63.14 mi (101.61 km).
#1 Union
Township in southeastern Union County, Pennsylvania
| Population | 5,661 |
| Coordinates | 39.9103800, -76.2630100 |
| Altitude | 204 |
| Country | United States |
#2 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
End: Tilghman Street (-75.490007, 40.608068)
Estimated Travel Time
Distance: 128 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 38m |
| 40 mph (64.37 km/h) | 01h 58m |
| 50 mph (80.47 km/h) | 01h 35m |
| 60 mph (96.56 km/h) | 01h 19m |
| 70 mph (112.65 km/h) | 01h 07m |
| 80 mph (129 km/h) | 00h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $11.44 | $22.88 |
| Mid-grade | $4.60 | $12.88 | $25.75 |
| Premium | $4.95 | $13.87 | $27.74 |
| Diesel | $5.98 | $16.74 | $33.49 |
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.