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Trip from Colwyn, PA to Allentown, PA

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards

Drive Time

1h 25m

Distance

61.8 mi

99 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$10

one way

EV Charging

Unknown

Best Time to Leave

Save up to 20 min
4 AM
1h 19m ★
6 AM
1h 26m
8 AM
1h 39m
10 AM
1h 30m
12 PM
1h 29m
3 PM
1h 31m
5 PM
1h 38m
8 PM
1h 22m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

borough of Pennsylvania

Colwyn, PA

Wikimedia Commons

county seat city in Lehigh County, Pennsylvania, United States

Allentown, PA

Wikimedia Commons

Trip Overview

If you are planning a trip from Colwyn to Allentown, expect a 72.4-mile journey that takes approximately 1 hour and 19 minutes. This route is best suited as a straightforward day trip, as the distance is short enough that an overnight stay is rarely necessary. Budgeting about $12 for fuel should cover your travel costs comfortably. By sticking to local roads rather than major interstates, you will navigate through the heart of the Northeast region. It is a practical, no-nonsense drive that gets you from point A to point B without the need for complex planning or multiple stops.

Main Roads

Road Distance Duration
Pennsylvania Turnpike Northeast Extension 37.5 mi 40m
Mid-County Expressway 10.8 mi 14m
Tilghman Street 3.6 mi 5m
South Lansdowne Avenue 3.3 mi 8m
West Chester Pike 2.2 mi 4m
Main Street 1.2 mi 3m
PA 309 0.5 mi <1m
South 4th Street 0.3 mi 1m
Longest stretch: Pennsylvania Turnpike Northeast Extension — 37.5 mi, about 40m

Turn-by-Turn Driving Directions

Step-by-step road directions between Colwyn, PA and Allentown, PA.

1

Start on Pine Street

92 ft · 6 sec · Pine Street
2

Turn right onto South 4th Street

0.3 mi · 1 min · South 4th Street
3

Turn left onto Main Street

1.2 mi · 3 min · Main Street
4

Continue on South Lansdowne Avenue

3.3 mi · 8 min · South Lansdowne Avenue
Use the straight / left / right lanes.
5

Continue on Darby Road

471 ft · 13 sec · Darby Road
Use the straight / left / right lanes.
6

Turn slight left onto PA 3

2.2 mi · 4 min · West Chester Pike
Use the straight lane.
7

Take the exit

0.4 mi · 58 sec
Toward I 476 North: Plymouth Meeting Use the straight / slight right lanes.
8

Merge onto I 476

11 mi · 14 min · Mid-County Expressway
9

Turn slight left onto I 476

0.2 mi · 13 sec · Mid-County Expressway
10

Continue on I 476; PATP

38 mi · 40 min · Pennsylvania Turnpike Northeast Extension
Use the straight / right lanes.
11

Take the exit

0.7 mi · 2 min
Exit 56 Toward I 78, US 22, PA 309: Allentown, Harrisburg Use the slight right lane.
12

Turn slight right

0.2 mi · 28 sec
Toward US 22 East: Allentown
13

Merge onto US 22

0.3 mi · 27 sec · Lehigh Valley Thruway
14

Take the exit

0.4 mi · 54 sec
Toward PA 309 South: Quakertown Use the slight right lane.
15

Merge onto PA 309

0.5 mi · 43 sec · PA 309
Use the straight / slight right lanes.
16

Take the exit

0.2 mi · 21 sec
Toward Tilghman Street East Use the straight / right lanes.
17

Turn straight onto Tilghman Street

3.6 mi · 5 min · Tilghman Street
18

Arrive at destination

Tilghman Street

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

county seat of Montgomery County, Pennsylvania, United States

Mid-route town

Meal stop

Norristown, PA

31 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Radnor, PA

Fuel and coffee

A short stop after about 14 miles helps settle the day before fatigue starts building.

Lansdale, PA

Meal break

The midpoint is around 30.9 miles from Colwyn, PA, which is a good place for a longer meal and fuel stop.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Heads-up: tricky spots

5 of 10

5 decision points cluster between mile 7.1 and 58 — 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 | ~18m in

Take the exit toward I 476 North: Plymouth Meeting

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Toward I 476 North: Plymouth Meeting
8
55.8 mi into trip | ~1h 14m in

Take the exit toward I 78, US 22, PA 309: Allentown, 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. Exit 56 Toward I 78, US 22, PA 309: Allentown, Harrisbu...
6
57 mi into trip | ~1h 17m in

Take the exit toward PA 309 South: Quakertown

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Toward PA 309 South: Quakertown
5
57.4 mi into trip | ~1h 18m in | PA 309

Merge onto PA 309

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
6
58 mi into trip | ~1h 19m in

Take the exit toward Tilghman Street East

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / right lanes. Toward Tilghman Street East

Fuel & Cost

Regular Gas

$10.25 one way

$20.49 round trip

$4.21/gal 25.4 MPG avg 22 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.61 $11.22 $22.44
premium $4.93 $11.99 $23.97
diesel $5.61 $13.64 $27.29

Estimated Tolls: $4.88

Pennsylvania Turnpike (37.5 mi) $4.88

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Drive Cost (one way)

Fuel

$10

Tolls

$5

Total

$15

Estimated CO2 emission: 21.6 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $6 in charging · 0 stops · 68% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 18.5 0 $6.49 $2.97
Efficient EV 15.5 0 $5.41 $2.47
EV Truck/SUV 24.7 0 $8.65 $3.96

Gas CO2

22 kg

EV CO2

7 kg (68% 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 20, 2026

Origin

Colwyn, PA

Late night in Colwyn on Tuesday

Local time

5:25 AM

EDT

Current temp

64°F

Unavailable

Live forecast

Destination

Allentown, PA

Late night in Allentown on Tuesday

Local time

5:25 AM

EDT

Current temp

61°F

Unavailable

Live forecast

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

3 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

1h 25m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

Prepare for a turn-heavy local drive that keeps you engaged behind the wheel. You will navigate primarily via South 4th Street, Main Street, and South Lansdowne Avenue throughout the 72.4-mile trek. Because this route features a 0% highway share, you will spend your entire time on local roads rather than fast-paced interstates. Expect a consistent, technical driving experience rather than a monotonous highway grind. Since there are no designated long, uninterrupted stretches, you will need to remain attentive to frequent turns and changing road conditions as you move toward Allentown.

79% highway — fuel and pacing are the main things to plan.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 37.5 mi on Pennsylvania Turnpike Northeast Extension.

How Hard Is This Drive?

8/10

This is a straightforward highway drive that stays mostly on Pennsylvania Turnpike Northeast Extension and Mid-County Expressway. 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 Effort 8/10

Demanding - plan breaks and stay ahead of the key maneuvers

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 61.8 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 7.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 55.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 57 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Colwyn, PA and Allentown, PA, road signs point toward Harrisburg and Tilghman Street East.

Harrisburg

55.8 mi in | ~1h 14m

Tilghman Street East

58 mi in | ~1h 19m

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 1h 25m. Total distance: 61.8 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

1h 25m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (79%). Some complex stretches to watch for.

Frequently Asked Questions

The longest stretch is about 37.5 miles on Pennsylvania Turnpike Northeast Extension. The full list of main roads is in the Roads section above.

Expect about $4.88 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.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: at 7.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 55.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 57 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Yes — Independence National Historical Park, Thaddeus Kosciuszko National Memorial and Valley Forge National Historical Park (4 total within detour distance). 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.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.

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