Planning a trip from Metal, PA, to Allentown, PA? This 141-mile journey takes approximately 2 hours and 55 minutes of driving time and is easily manageable as a single-day excursion. You'll navigate a mix of roads, including the William Penn Highway and the Pennsylvania Turnpike, with about 35% of the drive on highways. The estimated fuel cost for this route is around $23. Both your origin and destination are within the Northeast region of Pennsylvania, so you won't be crossing state lines or major geographical divides. This drive offers a practical way to travel between these two points in the Keystone State.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
70.5 miles from Metal, PA
A natural place for your longest stop of the day
, about 1h 29m into the drive
.
Main Roads
Road
Distance
Duration
William Penn Highway
42.8 mi
50m
Pennsylvania Turnpike
37.1 mi
41m
American Legion Memorial Highway
22.5 mi
27m
I 81
12.7 mi
15m
78th Division Highway
7.6 mi
8m
Path Valley Road
6.6 mi
11m
Tilghman Street
4.9 mi
8m
Harrisburg Pike
1.1 mi
2m
Longest stretch:
William Penn Highway
— 42.8 mi, about 50m
Turn-by-Turn Driving Directions
Step-by-step road directions between Metal, PA and Allentown, PA.
1
Start on PA 75
6.6 mi·11 min·Path Valley Road
2
Turn left onto Willow Hill Interchange
0.3 mi·29 sec·Willow Hill Interchange
3
Take the ramp
0.2 mi·22 sec
Toward PATP
4
Keep slight right at fork
0.3 mi·40 sec
Toward I 76 East: Harrisburg
5
Merge onto I 76; PATP
37 mi·41 min·Pennsylvania Turnpike
6
Take the exit
0.9 mi·2 min
Toward I 81, US 11: Carlisle, HarrisburgUse the slight right lane.
7
Keep slight left at fork
0.3 mi·54 sec
Toward US 11 North: HarrisburgUse the straight / slight right lanes.
8
Continue on US 11
1.1 mi·2 min·Harrisburg Pike
Use the straight lane.
9
Take the exit
0.3 mi·34 sec
Toward I 81 North: Harrisburg
10
Merge onto I 81
13 mi·15 min·I 81
Use the straight / right lanes.
11
Take the exit
0.2 mi·14 sec
Toward US 11, US 15: Enola, Marysville
12
Keep slight left at fork
0.3 mi·28 sec
Toward US 11 North, US 15 North: Marysville
13
Keep slight left at fork
0.4 mi·32 sec
14
Merge onto I 81
0.7 mi·1 min·George N. Wade Memorial Bridge
Use the straight / slight right lanes.
15
Continue on I 81
3.4 mi·4 min·American Legion Memorial Highway
16
Keep slight left at fork onto I 81
19 mi·22 min·American Legion Memorial Highway
Use the straight / slight right lanes.
17
Take the exit
0.7 mi·45 sec
Exit 89Toward I 78 East: Allentown
18
Continue on I 78
7.6 mi·8 min·78th Division Highway
19
Continue on I 78; US 22
43 mi·50 min·William Penn Highway
Use the straight lane.
20
Keep slight right at fork onto US 22
1.0 mi·1 min·Lehigh Valley Thruway
Exit 51Toward US 22 East: Pennsylvania Turnpike, LVI AirportUse the slight right lane.
21
Take the exit
0.2 mi·26 sec
Toward CetroniaUse the slight right lane.
22
Turn straight onto Tilghman Street
4.9 mi·8 min·Tilghman Street
Use the straight lane.
23
Arrive at destination
Tilghman Street
Trip Plan
For this relatively short 2-hour and 55-minute drive, flexibility is your best friend. Consider leaving early in the morning to avoid potential traffic, especially as you approach Allentown. With only one recommended stop, you can easily manage your breaks and fuel needs. Keep an eye on your fuel gauge, as the estimated cost is $23 for the 141 miles, and it's always wise to top off before embarking on longer stretches, like the 42.8-mile section on the William Penn Highway, to ensure a smooth continuation of your journey.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 70.5 miles from Metal, PA, or about 1h 29m into the drive.
The longest continuous stretch on this route runs about 42.8 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 31 miles or 39m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 70.5 miles or 1h 29m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 22m
Traffic, exits, and arrival timing usually matter more near Allentown, PA than in the middle of the route.
Before You Leave
+
Open the route before leaving Metal, PA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Metal, PA
This is one driving day of about 141 miles and 2h 55m.
Your first comfortable stop window is around 31 miles from Metal, PA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on William Penn Highway for about 42.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 17
5 decision points cluster between mile 7.1 and 134.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
7.1 mi into trip|~12m in
Keep slight right at fork toward I 76 East: Harrisburg
Highway fork - watch signs carefully
Toward I 76 East: Harrisburg
7
44.5 mi into trip|~54m in
Take the exit toward I 81, US 11: Carlisle, Harrisburg
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I 81, US 11: Carlisle, Harrisburg
7
45.4 mi into trip|~56m in
Keep slight left at fork toward US 11 North: Harrisburg
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward US 11 North: Harrisburg
6
59.9 mi into trip|~1h 15m in
Keep slight left at fork toward US 11 North, US 15 North: Marysville
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward US 11 North, US 15 North: Marysville
9
134.9 mi into trip|~2h 45m in|US 22 / Lehigh Valley Thruway
Keep slight right at fork onto US 22 / Lehigh Valley Thruway toward US 22 East: Pennsylvania Turnpike, LVI Airport
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 51
Toward US 22 East: Pennsylvania Turnpike, LVI A...
Fuel & Cost
Regular Gas
$23.38 one way
$46.75 round trip
$4.21/gal25.4 MPG avg49 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.61
$25.60
$51.20
premium
$4.93
$27.35
$54.69
diesel
$5.61
$31.13
$62.26
Estimated Tolls: $4.90
Pennsylvania Turnpike
(37.1 mi)$4.83
Lehigh Valley Thruway
(1 mi)$0.07
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$23
Tolls
$5
Meals
$25–$50
Total
$53–$78
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 49.3 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $15 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
42.3
0
$14.80
$6.77
Efficient EV
35.3
0
$12.34
$5.64
EV Truck/SUV
56.4
0
$19.74
$9.02
Gas CO2
49 kg
EV CO2
16 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 13, 2026
Origin
Metal, PA
Morning
in Metal on Sunday
Local time
10:27 AM
EDT
Current temp
74°F
Unavailable
Live forecast
Destination
Allentown, PA
Morning
in Allentown on Sunday
Local time
10:27 AM
EDT
Current temp
49°F
Mostly Cloudy
SE 5 mph3% chanceLive forecast
Special Weather Statement
Special Weather Statement issued April 13 at 5:13AM EDT by NWS State College PA
48°F
Middlesex, PA
71 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
25 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 55m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Carlisle Federal Indian Boarding School National Monument
National Monument
More than 7,800 children from 140 Tribes went to the Carlisle School from 1879 to 1918. The National Park Service will collaborate with families, affiliated Tribal Nations, the US Army, historians, an...
The Appalachian Trail is a 2,190+ mile long public footpath that traverses the scenic, wooded, pastoral, wild, and culturally resonant lands of the Appalachian Mountains. Conceived in 1921, built by p...
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
The character of this drive is best described as a mixed bag, offering a varied driving experience. You'll spend about 35% of your time on highway sections, interspersed with stretches on the William Penn Highway and the American Legion Memorial Highway. The longest continuous segment you'll encounter is 42.8 miles on the William Penn Highway, meaning you'll have ample opportunity to experience a more traditional road setting before rejoining faster routes. This combination means the drive isn't a monotonous interstate grind but rather a dynamic progression through different types of roadways.
35% highway, the rest on surface roads — varied driving throughout.
23 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 42.8 mi on William Penn Highway.
How Hard Is This Drive?
10/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 7.1 miles in.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 17 significant decision points across 141 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 7.1 miles: Highway fork - watch signs carefully; at 44.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 45.4 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Mostly flat terrain
834 ft346 ft
Total Climb
596 ft
Total Descent
952 ft
Highest Point
834 ft
~10.1 mi in
Elevation Range
487 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Metal, PA and Allentown, PA, road signs point toward Harrisburg and Marysville.
Harrisburg
44.5 mi in|~54m
Marysville
59.7 mi in|~1h 15m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 55m. Total distance: 141 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
2h 55m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (35%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 42.8 miles on William Penn Highway. The full list of main roads is in the Roads section above.
Expect about $4.90 in tolls one way, starting with Pennsylvania Turnpike. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Allentown, PA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 7.1 miles: Highway fork - watch signs carefully; at 44.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 45.4 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Carlisle Federal Indian Boarding School National Monument and Appalachian National Scenic Trail. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Allentown, PA before heading back.
