How far is Lancaster, NY from Smithtown, NY?

The driving distance from Lancaster, NY to Smithtown, NY is about 415.1 miles (668.1 km), with a travel time of about 07h 11m by car.

  • The straight-line flight distance is about 314.8 miles (506.6 km).
  • For a round trip, plan for roughly 14h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
415.11 mi
07h 11m
Flight
314.77 mi
506.57 km direct

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

Learn Distance

Choose another destination from Lancaster.

Flight Distance

Direct air line
314.77 mi
Kilometers
506.57 km
Flight Time
00h 37m

Driving Distance

Road route
415.11 mi
Kilometers
668.06 km
Drive Time
07h 11m

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 07h 11m.

Arrival Snapshot
Arrive in Smithtown
Thu, Oct 15, 9:34 PM EDT
Return by in Lancaster
Fri, Oct 16, 4:45 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lancaster
2026-10-15T14:23
Arrive Smithtown
Thu, Oct 15, 9:34 PM EDT
Route Timing
07h 11m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
1:11 PM to 2:41 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
9:38 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Lancaster
8:00 PM EDT
Overnight-style route

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
Riverside
NY

City in Steuben County, New York, United States of America

From Lancaster
207.4 mi
03h 35m
To Smithtown
207.7 mi
03h 35m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Thursday

Partly Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
6 mph NE
Destination
56°F
Overnight

Partly Cloudy

Starts
Thu, Oct 15 12:00 AM EDT
Wind
13 mph N

Driving Route Map

The map below follows the saved road route between Lancaster and Smithtown.

Turn-by-Turn Driving Directions

Step-by-step road directions between Lancaster and Smithtown.

  1. 1

    Start on the route

    35 m · 13 sec

  2. 2

    At the end of the road, turn left onto Broadway Street

    10.7 mi · 19 min · Broadway Street

  3. 3

    Continue on Broadway Road

    13.9 mi · 20 min · Broadway Road

  4. 4

    Continue on Telephone Road

    6.5 mi · 9 min · Telephone Road

  5. 5

    Turn right onto Ellicott Street Road

    3 mi · 5 min · Ellicott Street Road

  6. 6

    Continue on Big Tree Road

    4.1 mi · 6 min · Big Tree Road

  7. 7

    Continue on State Highway 63

    1.1 km · 55 sec · State Highway 63

  8. 8

    Continue on Genesee Street

    7.5 mi · 11 min · Genesee Street

  9. 9

    Enter the roundabout and take exit 1 toward Genesee Street

    33 m · 2 sec · Genesee Street

  10. 10

    Exit the roundabout onto Genesee Street

    1.3 mi · 2 min · Genesee Street

  11. 11

    Merge slight left onto Geneseo-Mount Morris Road

    3.3 mi · 4 min · Geneseo-Mount Morris Road

  12. 12

    Continue on Mount Morris-Geneseo Road

    1615 ft · 32 sec · Mount Morris-Geneseo Road

  13. 13

    Take the ramp left

    2173 ft · 53 sec

  14. 14

    Merge slight left onto Genesee Expressway

    38.2 mi · 44 min · Genesee Expressway

  15. 15

    Merge slight right onto Southern Tier Expressway

    104.5 mi · 2 hr 2 min · Southern Tier Expressway

  16. 16

    Keep slight right to continue on I 81 South: Scranton

    53.4 mi · 1 hr 3 min

  17. 17

    Keep slight right to continue on I 84 East, I 380 South, US 6 East: Carbondale, Mt Pocono

    1.2 km · 1 min

  18. 18

    Continue on I 84 East, I 380 South: Mount Pocono, Milford

    3.7 mi · 5 min

  19. 19

    Keep slight right to continue on I 380 South: Mount Pocono

    23.6 mi · 26 min

  20. 20

    Keep slight left to continue on I 80 East: Stroudsburg

    1 mi · 1 min

  21. 21

    Merge slight right onto Keystone Shortway

    80 mi · 1 hr 37 min · Keystone Shortway

  22. 22

    Keep slight right to continue on Christopher Columbus Highway

    5.5 mi · 6 min · Christopher Columbus Highway

  23. 23

    Keep slight left to continue on I 95 North: George Washington Bridge, New York City

    1503 ft · 23 sec

  24. 24

    Keep slight right to continue on Leonia, Teaneck

    2128 ft · 38 sec

  25. 25

    Turn right onto Leonia

    1032 ft · 35 sec

  26. 26

    Turn straight onto Degraw Avenue

    138 m · 9 sec · Degraw Avenue

  27. 27

    Continue on Fort Lee Road

    1.1 mi · 2 min · Fort Lee Road

  28. 28

    Continue on Main Street

    143 m · 13 sec · Main Street

  29. 29

    Take the ramp left toward George Washington Bridge

    144 m · 13 sec

  30. 30

    Merge slight left onto Bergen Boulevard

    1552 ft · 29 sec · Bergen Boulevard

  31. 31

    Take the exit slight left toward George Washington Bridge Upper Level

    95 m · 5 sec

  32. 32

    Merge slight left

    1649 ft · 20 sec

  33. 33

    Keep slight left

    1.3 km · 1 min

  34. 34

    Continue on George Washington Bridge (upper level)

    3174 ft · 1 min · George Washington Bridge (upper level)

  35. 35

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  36. 36

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  37. 37

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  38. 38

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  39. 39

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  40. 40

    Continue on Clearview Expressway

    3.2 mi · 3 min · Clearview Expressway

  41. 41

    Take the exit slight right toward I 495: Manhattan, Eastern Long Island

    810 ft · 28 sec

  42. 42

    Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island

    1448 ft · 39 sec

  43. 43

    Merge slight left onto Long Island Expressway

    14.2 mi · 20 min · Long Island Expressway

  44. 44

    Take the exit slight right toward N East: Hauppauge

    2144 ft · 53 sec

  45. 45

    Merge slight left onto Northern State Parkway

    13.7 mi · 19 min · Northern State Parkway

  46. 46

    Take the exit slight right toward SM North: Kings Park

    1052 ft · 26 sec

  47. 47

    Merge slight left onto Sagtikos State Parkway

    152 m · 6 sec · Sagtikos State Parkway

  48. 48

    Continue on Sunken Meadow State Parkway

    1.7 mi · 2 min · Sunken Meadow State Parkway

  49. 49

    Take the exit slight right toward NY 25 East: Jericho Turnpike East, Smithtown

    1170 ft · 31 sec

  50. 50

    Turn slight right onto Jericho Turnpike

    3.9 mi · 6 min · Jericho Turnpike

  51. 51

    Continue on West Main Street

    3144 ft · 55 sec · West Main Street

  52. 52

    Arrive at your destination

    0 m · 1 sec · West Main Street

Car Route Details

A richer read on the saved driving route between Lancaster and Smithtown.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
52 steps
8 turns on the saved route
Ramps & Exits
19
10 merges, 9 ramps or exits
Navigation Density
12.5 / 100 mi
Decision points by distance
Main Roads
Southern Tier Expressway
105 mi · 25%
Keystone Shortway
80 mi · 19%
I 81 South
53.4 mi · 13%
Genesee Expressway
38.2 mi · 9%
I 380 South
23.6 mi · 6%
Long Island Expressway
14.2 mi · 3%
Longest Stretch

Southern Tier Expressway

Merge slight right onto Southern Tier Expressway

105 mi · 02h 02m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 11m
Overnight route
Same-Day Return
14h 22m
Round-trip wheel time
Road vs Air
+100.3 mi
314.8 mi direct line
Halfway Stop
Riverside
03h 35m from Lancaster
Leave By
9:38 PM EDT
Overnight-style route
Weather Watch

Partly Sunny leaving Lancaster and Partly Cloudy near Smithtown.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Lancaster to Smithtown?

The road trip is about 415.1 miles (668.1 km) and usually takes 07h 11m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Riverside is a useful midpoint, sitting about 207.4 miles from Lancaster and 207.7 miles from Smithtown.

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

The direct path is about 314.8 miles (506.6 km), while the road route adds roughly 100.3 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $65.16 one way or $130.33 round trip. Estimated CO2 is about 130.2 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Lancaster and Partly Cloudy near Smithtown.

Stop Ideas Near Riverside

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

Mid-route Guidance
Local place coverage is thin around Riverside, 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 Riverside.

BUS

Scranton, PA

67 mi away
23 Lackawanna Avenue
BUS

Wilkes-Barre, PA

85 mi away
47 South Washington Street
BUS

White Haven, PA

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

Flight Path Map

This map shows the direct air route between Lancaster and Smithtown. Straight-line distance: 314.77 mi (506.57 km).

Lancaster

#1 Lancaster

Town in Erie County, New York

Population10,064
Coordinates42.9006100, -78.6703100
Altitude204
CountryUnited States
Smithtown

#2 Smithtown

Census-designated place in Suffolk County, New York

Population110,876
Coordinates40.8559300, -73.2006700
Altitude18
CountryUnited States
Start: (-78.670236, 42.90064)
End: West Main Street (-73.200729, 40.855811)

Estimated Travel Time

Distance: 668 km by road

SpeedTime
30 mph (48.3 km/h)13h 49m
40 mph (64.37 km/h)10h 22m
50 mph (80.47 km/h)08h 18m
60 mph (96.56 km/h)06h 55m
70 mph (112.65 km/h)05h 55m
80 mph (129 km/h)05h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.65 gal
55.45 L · about $65.16
Round trip
$130.33
29.3 gal · 110.9 L
Estimated CO2
130.2 kg one way
Round trip: 260.4 kg / 574 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $65.16 $130.33
Mid-grade $4.98 $72.99 $145.97
Premium $5.38 $78.85 $157.69
Diesel $6.51 $95.36 $190.71

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 New York · Oct 15, 2026

There is no time difference between Lancaster and Smithtown. The current time is 14:23:09.

Distance to Other Cities

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