How far is Gregg, PA from Allentown, PA?
The driving distance from Gregg, PA to Allentown, PA is about 293.8 miles (472.9 km), with a travel time of about 04h 52m by car.
- The straight-line flight distance is about 245.9 miles (395.8 km).
- For a round trip, plan for roughly 09h 45m 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 04h 52m.
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.
Township in Franklin County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Gregg and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gregg and Allentown.
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1
Start on Gregg Station Road
2713 ft · 1 min · Gregg Station Road
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2
At the end of the road, turn left onto Nike Site Road
2082 ft · 46 sec · Nike Site Road
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3
Turn right onto Noblestown Road
3.3 mi · 6 min · Noblestown Road
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4
Continue on West Main Street
2930 ft · 1 min · West Main Street
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5
Continue on Mansfield Boulevard
1854 ft · 42 sec · Mansfield Boulevard
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6
Turn right onto Broadway Street
104 m · 11 sec · Broadway Street
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7
Turn left onto East Main Street
1072 ft · 26 sec · East Main Street
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8
Turn right onto Chestnut Street
607 ft · 21 sec · Chestnut Street
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9
Turn left onto Academy Street
111 m · 13 sec · Academy Street
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10
Take the ramp straight toward I 376 West, I 376 East: Airport, Pittsbugh
886 ft · 22 sec
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11
Keep slight right to continue on I 376 East: Pittsburgh
1140 ft · 29 sec
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12
Merge slight left onto Penn-Lincoln Parkway West
4.4 mi · 6 min · Penn-Lincoln Parkway West
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13
Keep slight right to continue on Penn-Lincoln Parkway East
14.5 mi · 20 min · Penn-Lincoln Parkway East
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14
Take the exit slight right toward I 76, PATP: Ohio, Harrisburg
1317 ft · 1 min
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15
Continue straight
885 ft · 30 sec
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16
Keep slight right to continue on I 76 East: Harrisburg
855 ft · 29 sec
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17
Merge slight left onto Pennsylvania Turnpike
170.5 mi · 3 hr 7 min · Pennsylvania Turnpike
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18
Take the exit slight right toward I 81, US 11: Carlisle, Harrisburg
1.4 km · 2 min
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19
Keep slight left to continue on US 11 North: Harrisburg
1712 ft · 55 sec
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20
Continue on Harrisburg Pike
1.1 mi · 2 min · Harrisburg Pike
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21
Take the exit straight toward I 81 North: Harrisburg
1358 ft · 34 sec
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22
Merge slight left
12.7 mi · 15 min
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23
Take the exit slight right toward US 11, US 15: Enola, Marysville
931 ft · 14 sec
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24
Keep slight left to continue on US 11 North, US 15 North: Marysville
1828 ft · 28 sec
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25
Keep slight left
2072 ft · 32 sec
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26
Merge slight left onto George N. Wade Memorial Bridge
1.2 km · 1 min · George N. Wade Memorial Bridge
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27
Continue on American Legion Memorial Highway
3.4 mi · 5 min · American Legion Memorial Highway
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28
Keep slight left to continue on American Legion Memorial Highway
19.1 mi · 23 min · American Legion Memorial Highway
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29
Take the exit slight right toward I 78 East: Allentown
1.1 km · 45 sec
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30
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
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31
Continue on William Penn Highway
42.8 mi · 51 min · William Penn Highway
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32
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
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33
Take the exit slight right toward Cetronia
1053 ft · 27 sec
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34
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
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35
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Gregg and Allentown.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Pennsylvania Turnpike
Merge slight left onto Pennsylvania Turnpike
170 mi · 03h 07m
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.
Chance Rain Showers leaving Gregg and Chance Rain Showers near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gregg to Allentown?
The road trip is about 293.8 miles (472.9 km) and usually takes 04h 52m 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?
Metal is a useful midpoint, sitting about 146 miles from Gregg and 147.8 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 245.9 miles (395.8 km), while the road route adds roughly 47.9 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 7:14 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.37 one way or $84.74 round trip. Estimated CO2 is about 92.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Gregg and Chance Rain Showers near Allentown.
Stop Ideas Near Metal
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 Metal.
Hancock, MD
Hagerstown, MD
Huntingdon
Martinsburg station
Flight Path Map
This map shows the direct air route between Gregg and Allentown. Straight-line distance: 245.93 mi (395.78 km).
#1 Gregg
Township in Pennsylvania, USA
| Population | 4,637 |
| Coordinates | 40.4064600, -80.1645000 |
| Altitude | 272 |
| 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: 473 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 47m |
| 40 mph (64.37 km/h) | 07h 20m |
| 50 mph (80.47 km/h) | 05h 52m |
| 60 mph (96.56 km/h) | 04h 53m |
| 70 mph (112.65 km/h) | 04h 11m |
| 80 mph (129 km/h) | 03h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $42.37 | $84.74 |
| Mid-grade | $4.60 | $47.69 | $95.38 |
| Premium | $4.95 | $51.37 | $102.75 |
| Diesel | $5.98 | $62.01 | $124.03 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.