How far is Treasure Lake, PA from Bethlehem, PA?

The driving distance from Treasure Lake, PA to Bethlehem, PA is about 243.8 miles (392.4 km), with a travel time of about 04h 10m by car.

  • The straight-line flight distance is about 178.8 miles (287.7 km).
  • For a round trip, plan for roughly 08h 21m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
243.8 mi
04h 10m
Flight
178.75 mi
287.67 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Treasure Lake.

Flight Distance

Direct air line
178.75 mi
Kilometers
287.67 km
Flight Time
00h 21m

Driving Distance

Road route
243.8 mi
Kilometers
392.36 km
Drive Time
04h 10m

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 10m.

Arrival Snapshot
Arrive in Bethlehem
Thu, Apr 23, 6:07 AM EDT
Return by in Treasure Lake
Thu, Apr 23, 10:17 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Treasure Lake
2026-04-23T01:56
Arrive Bethlehem
Thu, Apr 23, 6:07 AM EDT
Route Timing
04h 10m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:11 AM to 12:11 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:38 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Treasure Lake
9:00 PM EDT
Early departure recommended

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.

Mid-route stop
Spring Garden
PA

Human settlement in Pennsylvania, United States of America

From Treasure Lake
110.4 mi
02h 05m
To Bethlehem
133.5 mi
02h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
1 to 6 mph W
Destination
72°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph NW

Driving Route Map

The map below follows the saved road route between Treasure Lake and Bethlehem.

Turn-by-Turn Driving Directions

Step-by-step road directions between Treasure Lake and Bethlehem.

  1. 1

    Start on Bequia Road

    742 ft · 35 sec · Bequia Road

  2. 2

    At the end of the road, turn right onto Bay Road

    1.7 mi · 7 min · Bay Road

  3. 3

    Turn left onto Coral Reef Road

    1.9 mi · 5 min · Coral Reef Road

  4. 4

    Turn right onto Bee Line Highway

    1.4 km · 1 min · Bee Line Highway

  5. 5

    Take the ramp slight right

    1824 ft · 45 sec

  6. 6

    Merge slight left onto Keystone Shortway

    122.6 mi · 2 hr 12 min · Keystone Shortway

  7. 7

    Take the exit slight right toward PA 54: Danville, Washingtonville

    1080 ft · 27 sec

  8. 8

    Turn slight left

    24 m · 3 sec

  9. 9

    Turn right onto Continental Boulevard

    2.9 mi · 4 min · Continental Boulevard

  10. 10

    Continue on Factory Street

    716 ft · 20 sec · Factory Street

  11. 11

    Continue on Danville-Riverside Bridge Road

    1799 ft · 49 sec · Danville-Riverside Bridge Road

  12. 12

    Turn left onto Elysburg Road

    9.7 mi · 11 min · Elysburg Road

  13. 13

    Continue on State Route 54

    11.1 mi · 13 min · State Route 54

  14. 14

    Continue on Locust Gap Highway

    1897 ft · 42 sec · Locust Gap Highway

  15. 15

    Continue on Fairgrounds Road

    2.2 mi · 2 min · Fairgrounds Road

  16. 16

    Continue on Sunbury Road

    9.4 mi · 11 min · Sunbury Road

  17. 17

    Continue on Sunbury Street

    1.2 km · 1 min · Sunbury Street

  18. 18

    Turn right onto Pottsville Minersville Highway

    1.8 mi · 2 min · Pottsville Minersville Highway

  19. 19

    Turn right onto Gordon Nagle Trail

    4 mi · 7 min · Gordon Nagle Trail

  20. 20

    Continue on North Sillyman Street

    1281 ft · 33 sec · North Sillyman Street

  21. 21

    Turn left onto Pottsville Street

    1.1 km · 2 min · Pottsville Street

  22. 22

    Turn right onto Route 61 South

    150 m · 6 sec · Route 61 South

  23. 23

    Continue on Center Avenue

    10.6 mi · 13 min · Center Avenue

  24. 24

    Continue on Centre Street

    2.7 mi · 4 min · Centre Street

  25. 25

    Take the exit slight right toward I 78 East, US 22 East: Allentown

    1423 ft · 41 sec

  26. 26

    Merge slight left onto William Penn Highway

    21.6 mi · 27 min · William Penn Highway

  27. 27

    Keep slight right to continue on Lehigh Valley Thruway

    10.3 mi · 14 min · Lehigh Valley Thruway

  28. 28

    Take the exit slight right toward PA 378 South: Bethlehem, Schoenersville Road

    1072 ft · 26 sec

  29. 29

    Keep slight right to continue on PA 378 South: Bethlehem

    1149 ft · 22 sec

  30. 30

    Continue on Bethlehem Spur Route

    1.8 mi · 2 min · Bethlehem Spur Route

  31. 31

    Take the exit slight right toward Eighth Avenue

    1208 ft · 33 sec

  32. 32

    Turn right onto 8th Avenue

    620 ft · 22 sec · 8th Avenue

  33. 33

    Turn left onto West Union Boulevard

    1 mi · 2 min · West Union Boulevard

  34. 34

    Turn left onto Center Street

    129 m · 11 sec · Center Street

  35. 35

    Turn right onto East Goepp Street

    1342 ft · 50 sec · East Goepp Street

  36. 36

    Turn right onto Linden Street

    17 m · 1 sec · Linden Street

  37. 37

    Arrive at your destination

    0 m · 1 sec · Linden Street

Car Route Details

A richer read on the saved driving route between Treasure Lake and Bethlehem.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
37 steps
15 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
15.2 / 100 mi
Decision points by distance
Main Roads
Keystone Shortway
123 mi · 50%
William Penn Highway
21.6 mi · 9%
State Route 54
11.1 mi · 5%
Center Avenue
10.6 mi · 4%
Lehigh Valley Thruway
10.3 mi · 4%
Elysburg Road
9.74 mi · 4%
Longest Stretch

Keystone Shortway

Merge slight left onto Keystone Shortway

123 mi · 02h 12m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 10m
Long day trip
Same-Day Return
08h 22m
Round-trip wheel time
Road vs Air
+65 mi
178.8 mi direct line
Halfway Stop
Spring Garden
02h 05m from Treasure Lake
Leave By
8:38 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Treasure Lake and Sunny near Bethlehem.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Treasure Lake to Bethlehem?

The road trip is about 243.8 miles (392.4 km) and usually takes 04h 10m 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?

Spring Garden is a useful midpoint, sitting about 110.4 miles from Treasure Lake and 133.5 miles from Bethlehem.

How much longer is the road route than the straight-line distance?

The direct path is about 178.8 miles (287.7 km), while the road route adds roughly 65 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 8:38 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $35.14 one way or $70.28 round trip. Estimated CO2 is about 76.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Treasure Lake and Sunny near Bethlehem.

Stop Ideas Near Spring Garden

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Spring Garden, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Spring Garden.

RAIL

Lewistown

80 mi away
150 Helen Street
BUS

Wilkes-Barre, PA

89 mi away
47 South Washington Street
RAIL

Harrisburg Transportation Center

95 mi away
4th and Chestnut Streets
BUS

White Haven, PA

103 mi away
I-476, Exit 95/I-80, Exit 277, at Hwy 940

Flight Path Map

This map shows the direct air route between Treasure Lake and Bethlehem. Straight-line distance: 178.75 mi (287.67 km).

Treasure Lake

#1 Treasure Lake

Census designated place

Population3,861
Coordinates41.1733900, -78.7158600
Altitude535
CountryUnited States
Bethlehem

#2 Bethlehem

The second most populous city in Northampton County, Pennsylvania.

Population74,892
Coordinates40.6259300, -75.3704600
Altitude109
CountryUnited States
Start: Bequia Road (-78.715812, 41.174059)
End: Linden Street (-75.370434, 40.625929)

Estimated Travel Time

Distance: 392 km by road

SpeedTime
30 mph (48.3 km/h)08h 07m
40 mph (64.37 km/h)06h 05m
50 mph (80.47 km/h)04h 52m
60 mph (96.56 km/h)04h 03m
70 mph (112.65 km/h)03h 28m
80 mph (129 km/h)03h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.6 gal
32.57 L · about $35.14
Round trip
$70.28
17.2 gal · 65.14 L
Estimated CO2
76.4 kg one way
Round trip: 152.9 kg / 337 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $35.14 $70.28
Mid-grade $4.60 $39.55 $79.10
Premium $4.95 $42.60 $85.21
Diesel $5.98 $51.43 $102.86

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

There is no time difference between Treasure Lake and Bethlehem. The current time is 01:56:33.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.