How far is Allentown, PA from Union, PA?
The driving distance from Allentown, PA to Union, PA is about 76.7 miles (123.5 km), with a travel time of about 01h 54m by car.
- The straight-line flight distance is about 63.1 miles (101.6 km).
- For a round trip, plan for roughly 03h 49m 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 54m.
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.
Rain Showers Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Allentown and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Allentown and Union.
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1
Start on Tilghman Street
2.1 mi · 3 min · Tilghman Street
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2
Turn left onto North Cedar Crest Boulevard
1 mi · 2 min · North Cedar Crest Boulevard
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3
Turn right onto Hamilton Boulevard Bypass
2203 ft · 44 sec · Hamilton Boulevard Bypass
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4
Continue on West Hamilton Boulevard
6 mi · 9 min · West Hamilton Boulevard
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5
Continue on Trexlertown Bypass
2096 ft · 33 sec · Trexlertown Bypass
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6
Continue on Hamilton Boulevard
2.5 mi · 3 min · Hamilton Boulevard
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7
Enter the roundabout and take exit 2 toward Hamilton Boulevard
39 m · 2 sec · Hamilton Boulevard
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8
Exit the roundabout onto Hamilton Boulevard
1 km · 51 sec · Hamilton Boulevard
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9
Continue on Kutztown Road
3.8 mi · 6 min · Kutztown Road
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10
Keep slight left
5.9 mi · 7 min
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11
Enter the roundabout and take exit 2 toward Allentown Pike
33 m · 1 sec · Allentown Pike
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12
Exit the roundabout onto Allentown Pike
2089 ft · 39 sec · Allentown Pike
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13
Continue on Kutztown Road
1.1 mi · 2 min · Kutztown Road
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14
Continue on Allentown Pike
1.6 mi · 3 min · Allentown Pike
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15
Enter the roundabout and take exit 1 toward Allentown Pike
30 m · 4 sec · Allentown Pike
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16
Exit the roundabout onto Allentown Pike
2124 ft · 52 sec · Allentown Pike
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17
Enter the roundabout and take exit 2 toward Allentown Pike
39 m · 5 sec · Allentown Pike
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18
Exit the roundabout onto Allentown Pike
1.1 mi · 2 min · Allentown Pike
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19
Continue on Kutztown Road
1411 ft · 27 sec · Kutztown Road
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20
Continue on Allentown Pike
2511 ft · 48 sec · Allentown Pike
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21
Continue on Allentown Pike
1.9 mi · 3 min · Allentown Pike
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22
Continue on North 5th Street Highway
2.3 mi · 4 min · North 5th Street Highway
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23
Take the ramp slight right toward PA 12 West: Lebanon
1717 ft · 43 sec
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24
Merge slight left onto Warren Street Bypass
30 mi · 37 min · Warren Street Bypass
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25
Keep slight left to continue on US 30 East: Philadelphia
1.2 km · 2 min
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26
Merge slight left
2368 ft · 37 sec
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27
Take the exit slight right toward PA 23 East
1010 ft · 21 sec
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28
Keep slight right to continue on Downtown Lancaster
89 m · 7 sec
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29
Turn straight onto New Holland Pike
968 ft · 23 sec · New Holland Pike
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30
Continue on New Holland Avenue
1.3 mi · 3 min · New Holland Avenue
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31
Continue on North Plum Street
1756 ft · 58 sec · North Plum Street
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32
Turn right onto East Orange Street
3008 ft · 1 min · East Orange Street
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33
Turn left onto North Prince Street
1.1 mi · 4 min · North Prince Street
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34
Continue on Willow Street Pike
6.1 mi · 10 min · Willow Street Pike
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35
Continue on Lancaster Pike
1345 ft · 21 sec · Lancaster Pike
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36
Keep slight right to continue on Lancaster Pike
1093 ft · 17 sec · Lancaster Pike
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37
Keep slight right to continue on Lancaster Pike
1.4 km · 1 min · Lancaster Pike
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38
Turn right onto Miller Road
1.4 km · 2 min · Miller Road
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39
At the end of the road, turn left onto Rawlinsville Road
1.1 km · 2 min · Rawlinsville Road
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40
Turn left onto Clearfield Road
25 m · 4 sec · Clearfield Road
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41
Arrive at your destination
0 m · 1 sec · Clearfield Road
Car Route Details
A richer read on the saved driving route between Allentown and Union.
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.
Warren Street Bypass
Merge slight left onto Warren Street Bypass
30 mi · 00h 37m
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.
Rain Showers Likely leaving Allentown and Chance Rain Showers near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Allentown to Union?
The road trip is about 76.7 miles (123.5 km) and usually takes 01h 54m 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 38.3 miles from Allentown and 38.4 miles from Union.
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 13.6 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 2:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.07 one way or $22.15 round trip. Estimated CO2 is about 24.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Allentown and Chance Rain Showers near Union.
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 Allentown and Union. Straight-line distance: 63.14 mi (101.61 km).
#1 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
#2 Union
Township in southeastern Union County, Pennsylvania
| Population | 5,661 |
| Coordinates | 39.9103800, -76.2630100 |
| Altitude | 204 |
| Country | United States |
End: Union (-76.26301, 39.91038)
Estimated Travel Time
Distance: 124 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 33m |
| 40 mph (64.37 km/h) | 01h 55m |
| 50 mph (80.47 km/h) | 01h 32m |
| 60 mph (96.56 km/h) | 01h 16m |
| 70 mph (112.65 km/h) | 01h 05m |
| 80 mph (129 km/h) | 00h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $11.07 | $22.15 |
| Mid-grade | $4.60 | $12.46 | $24.93 |
| Premium | $4.95 | $13.43 | $26.85 |
| Diesel | $5.98 | $16.21 | $32.41 |
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.