How far is Greenfield, PA from Allentown, PA?
The driving distance from Greenfield, PA to Allentown, PA is about 279.1 miles (449.2 km), with a travel time of about 04h 34m by car.
- The straight-line flight distance is about 234.3 miles (377 km).
- For a round trip, plan for roughly 09h 09m 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 34m.
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.
Showers And Thunderstorms Likely
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Greenfield and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenfield and Allentown.
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1
Start on Alma Street
5 m · 3 sec · Alma Street
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2
Turn right onto Stanley Street
1214 ft · 57 sec · Stanley Street
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3
Turn right onto Kaercher Street
108 m · 14 sec · Kaercher Street
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4
Turn right onto Greenfield Avenue
1171 ft · 47 sec · Greenfield Avenue
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5
Turn left onto Winterburn Avenue
93 m · 13 sec · Winterburn Avenue
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6
Turn right onto Alger Street
108 m · 16 sec · Alger Street
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7
Continue on Beechwood Boulevard
1296 ft · 49 sec · Beechwood Boulevard
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8
Take the ramp left toward I 376 East: Monroeville
804 ft · 22 sec
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9
Merge slight left onto Penn-Lincoln Parkway East
10 mi · 14 min · Penn-Lincoln Parkway East
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10
Take the exit slight right toward I 76, PATP: Ohio, Harrisburg
1317 ft · 1 min
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11
Continue straight
885 ft · 30 sec
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12
Keep slight right to continue on I 76 East: Harrisburg
855 ft · 29 sec
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13
Merge slight left onto Pennsylvania Turnpike
170.5 mi · 3 hr 7 min · Pennsylvania Turnpike
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14
Take the exit slight right toward I 81, US 11: Carlisle, Harrisburg
1.4 km · 2 min
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15
Keep slight left to continue on US 11 North: Harrisburg
1712 ft · 55 sec
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16
Continue on Harrisburg Pike
1.1 mi · 2 min · Harrisburg Pike
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17
Take the exit straight toward I 81 North: Harrisburg
1358 ft · 34 sec
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18
Merge slight left
12.7 mi · 15 min
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19
Take the exit slight right toward US 11, US 15: Enola, Marysville
931 ft · 14 sec
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20
Keep slight left to continue on US 11 North, US 15 North: Marysville
1828 ft · 28 sec
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21
Keep slight left
2072 ft · 32 sec
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22
Merge slight left onto George N. Wade Memorial Bridge
1.2 km · 1 min · George N. Wade Memorial Bridge
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23
Continue on American Legion Memorial Highway
3.4 mi · 5 min · American Legion Memorial Highway
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24
Keep slight left to continue on American Legion Memorial Highway
19.1 mi · 23 min · American Legion Memorial Highway
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25
Take the exit slight right toward I 78 East: Allentown
1.1 km · 45 sec
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26
Continue on 78th Division Highway
7.6 mi · 9 min · 78th Division Highway
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27
Continue on William Penn Highway
42.8 mi · 51 min · William Penn Highway
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28
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
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29
Take the exit slight right toward Cetronia
1053 ft · 27 sec
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30
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
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31
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Greenfield 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.
Showers And Thunderstorms Likely leaving Greenfield and Mostly Sunny near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greenfield to Allentown?
The road trip is about 279.1 miles (449.2 km) and usually takes 04h 34m 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 139.1 miles from Greenfield and 140 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 234.3 miles (377 km), while the road route adds roughly 44.8 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 7:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.25 one way or $80.49 round trip. Estimated CO2 is about 87.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Greenfield and Mostly Sunny 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 Greenfield and Allentown. Straight-line distance: 234.24 mi (376.98 km).
#1 Greenfield
Township in Erie County, Pennsylvania
| Population | 2,007 |
| Coordinates | 40.4214600, -79.9433800 |
| Altitude | 320 |
| 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: 449 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 18m |
| 40 mph (64.37 km/h) | 06h 58m |
| 50 mph (80.47 km/h) | 05h 34m |
| 60 mph (96.56 km/h) | 04h 39m |
| 70 mph (112.65 km/h) | 03h 59m |
| 80 mph (129 km/h) | 03h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $40.25 | $80.49 |
| Mid-grade | $4.60 | $45.30 | $90.60 |
| Premium | $4.95 | $48.80 | $97.59 |
| Diesel | $5.98 | $58.90 | $117.81 |
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.