How far is Lamar, PA from Allentown, PA?
The driving distance from Lamar, PA to Allentown, PA is about 137.4 miles (221.1 km), with a travel time of about 02h 37m by car.
- The straight-line flight distance is about 110.4 miles (177.6 km).
- For a round trip, plan for roughly 05h 14m 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 02h 37m.
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 southeastern Northumberland County, Pennsylvania
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Lamar and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lamar and Allentown.
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1
Start on Bletz Road
35 m · 12 sec · Bletz Road
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2
Turn sharp left onto Nittany Valley Drive
1.1 mi · 2 min · Nittany Valley Drive
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3
Take the ramp right
2089 ft · 51 sec
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4
Merge slight left onto Keystone Shortway
50.3 mi · 54 min · Keystone Shortway
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5
Take the exit slight right toward PA 54: Danville, Washingtonville
1080 ft · 27 sec
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6
Turn slight left
24 m · 3 sec
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7
Turn right onto Continental Boulevard
2.9 mi · 4 min · Continental Boulevard
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8
Continue on Factory Street
716 ft · 20 sec · Factory Street
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9
Continue on Danville-Riverside Bridge Road
1799 ft · 49 sec · Danville-Riverside Bridge Road
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10
Turn left onto Elysburg Road
9.7 mi · 11 min · Elysburg Road
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11
Continue on State Route 54
11.1 mi · 13 min · State Route 54
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12
Continue on Locust Gap Highway
1897 ft · 42 sec · Locust Gap Highway
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13
Continue on Fairgrounds Road
2.2 mi · 2 min · Fairgrounds Road
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14
Continue on Sunbury Road
9.4 mi · 11 min · Sunbury Road
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15
Continue on Sunbury Street
1.2 km · 1 min · Sunbury Street
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16
Turn right onto Pottsville Minersville Highway
1.8 mi · 2 min · Pottsville Minersville Highway
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17
Turn right onto Gordon Nagle Trail
4 mi · 7 min · Gordon Nagle Trail
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18
Continue on North Sillyman Street
1281 ft · 33 sec · North Sillyman Street
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19
Turn left onto Pottsville Street
1.1 km · 2 min · Pottsville Street
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20
Turn right onto Route 61 South
150 m · 6 sec · Route 61 South
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21
Continue on Center Avenue
10.6 mi · 13 min · Center Avenue
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22
Continue on Centre Street
2.7 mi · 4 min · Centre Street
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23
Take the exit slight right toward I 78 East, US 22 East: Allentown
1423 ft · 41 sec
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24
Merge slight left onto William Penn Highway
21.6 mi · 27 min · William Penn Highway
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25
Keep slight right to continue on Lehigh Valley Thruway
1.5 km · 1 min · Lehigh Valley Thruway
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26
Take the exit slight right toward Cetronia
1053 ft · 27 sec
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27
Turn straight onto Tilghman Street
4.9 mi · 8 min · Tilghman Street
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28
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Lamar and Allentown.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Keystone Shortway
Merge slight left onto Keystone Shortway
50.3 mi · 00h 54m
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.
Sunny leaving Lamar and Sunny near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lamar to Allentown?
The road trip is about 137.4 miles (221.1 km) and usually takes 02h 37m 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?
Marion Heights is a useful midpoint, sitting about 68.5 miles from Lamar and 68.8 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 110.4 miles (177.6 km), while the road route adds roughly 27 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 1:16 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.82 one way or $39.63 round trip. Estimated CO2 is about 43.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lamar and Sunny near Allentown.
Stop Ideas Near Marion Heights
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 Marion Heights.
Wilkes-Barre, PA
Harrisburg Transportation Center
White Haven, PA
Middletown
Flight Path Map
This map shows the direct air route between Lamar and Allentown. Straight-line distance: 110.38 mi (177.64 km).
#1 Lamar
Clinton County, Pennsylvania, USA
| Population | 2,514 |
| Coordinates | 41.0161800, -77.5311000 |
| Altitude | 241 |
| 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: 221 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 34m |
| 40 mph (64.37 km/h) | 03h 26m |
| 50 mph (80.47 km/h) | 02h 44m |
| 60 mph (96.56 km/h) | 02h 17m |
| 70 mph (112.65 km/h) | 01h 57m |
| 80 mph (129 km/h) | 01h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $19.82 | $39.63 |
| Mid-grade | $4.60 | $22.31 | $44.61 |
| Premium | $4.95 | $24.03 | $48.05 |
| Diesel | $5.98 | $29.00 | $58.01 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.