How far is Smithtown, NY from Penfield, NY?

The driving distance from Smithtown, NY to Penfield, NY is about 357.7 miles (575.7 km), with a travel time of about 07h 39m by car.

  • The straight-line flight distance is about 269.9 miles (434.4 km).
  • For a round trip, plan for roughly 15h 19m 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
357.7 mi
07h 39m
Flight
269.91 mi
434.38 km direct

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

Learn Distance

Choose another destination from Smithtown.

Flight Distance

Direct air line
269.91 mi
Kilometers
434.38 km
Flight Time
00h 32m

Driving Distance

Road route
357.7 mi
Kilometers
575.67 km
Drive Time
07h 39m

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 39m.

Arrival Snapshot
Arrive in Penfield
Fri, Oct 16, 1:03 AM EDT
Return by in Smithtown
Fri, Oct 16, 8:42 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Smithtown
2026-10-15T17:23
Arrive Penfield
Fri, Oct 16, 1:03 AM EDT
Route Timing
07h 39m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
1:40 PM to 3:10 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
8:40 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Smithtown
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 Smithtown
178.3 mi
03h 49m
To Penfield
179.5 mi
03h 49m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
62°F
This Afternoon

Sunny

Starts
Thu, Oct 15 2:00 PM EDT
Wind
7 mph E
Destination
57°F
This Afternoon

Mostly Sunny

Starts
Thu, Oct 15 3:00 PM EDT
Wind
8 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West Main Street

    2964 ft · 52 sec · West Main Street

  2. 2

    Keep slight left to continue on West Main Street

    55 m · 5 sec · West Main Street

  3. 3

    Continue on Jericho Turnpike

    4 mi · 6 min · Jericho Turnpike

  4. 4

    Take the ramp slight right toward SM South: Bay Shore

    1110 ft · 27 sec

  5. 5

    Merge slight left onto Sunken Meadow State Parkway

    1.9 mi · 2 min · Sunken Meadow State Parkway

  6. 6

    Continue on Sagtikos State Parkway

    1.2 km · 50 sec · Sagtikos State Parkway

  7. 7

    Take the exit slight right toward I 495 West: New York

    688 ft · 17 sec

  8. 8

    Keep slight left to continue on I 495 West: New York

    955 ft · 23 sec

  9. 9

    Turn straight onto LIE North Service Road

    1987 ft · 34 sec · LIE North Service Road

  10. 10

    Turn straight onto North Service Road

    770 ft · 14 sec · North Service Road

  11. 11

    Take the ramp slight left toward I 495 West: New York

    879 ft · 22 sec

  12. 12

    Merge slight left onto Long Island Expressway

    24.8 mi · 34 min · Long Island Expressway

  13. 13

    Take the exit slight right toward Cross Island Parkway, Whitestone Bridge, Kennedy Airport

    1267 ft · 27 sec

  14. 14

    Keep slight right to continue on Cross Island Parkway North, Whitestone Bridge

    1604 ft · 38 sec

  15. 15

    Merge slight left onto Cross Island Parkway

    3.1 mi · 5 min · Cross Island Parkway

  16. 16

    Take the exit slight right toward I 295 North: Throgs Neck Bridge, Bronx, New England

    2905 ft · 1 min

  17. 17

    Merge slight left onto Throgs Neck Bridge

    1.8 mi · 3 min · Throgs Neck Bridge

  18. 18

    Continue on Throgs Neck Expressway

    1.1 km · 1 min · Throgs Neck Expressway

  19. 19

    Keep slight left to continue on Cross Bronx Expressway

    6.6 mi · 9 min · Cross Bronx Expressway

  20. 20

    Keep slight left to continue on Trans-Manhattan Expressway

    1.1 km · 1 min · Trans-Manhattan Expressway

  21. 21

    Continue on George Washington Bridge (upper level)

    3167 ft · 60 sec · George Washington Bridge (upper level)

  22. 22

    Continue straight

    2659 ft · 48 sec

  23. 23

    Keep slight left

    3214 ft · 39 sec

  24. 24

    Keep slight left

    559 ft · 9 sec

  25. 25

    Take the exit slight right toward I 95 South, NJTP South: Hackensack

    1270 ft · 23 sec

  26. 26

    Keep slight left to continue on I 95 South, NJTP South: Hackensack

    1884 ft · 29 sec

  27. 27

    Merge slight left onto New Jersey Turnpike

    2 mi · 3 min · New Jersey Turnpike

  28. 28

    Take the exit slight right toward I 80 West: Paterson, Hackensack

    1.3 km · 1 min

  29. 29

    Continue on Christopher Columbus Highway

    68.2 mi · 1 hr 21 min · Christopher Columbus Highway

  30. 30

    Keep slight left to continue on Keystone Shortway

    5.5 mi · 8 min · Keystone Shortway

  31. 31

    Keep slight left to continue on Keystone Shortway

    11.9 mi · 16 min · Keystone Shortway

  32. 32

    Take the exit slight right toward I 380 North: Scranton

    1.1 km · 46 sec

  33. 33

    Continue straight

    27.7 mi · 31 min

  34. 34

    Merge slight right

    58.1 mi · 1 hr 9 min

  35. 35

    Keep slight right to continue on I 81 North: Syracuse, Albany

    1.8 mi · 2 min

  36. 36

    Keep slight left to continue on I 81 North: Syracuse

    37.4 mi · 44 min

  37. 37

    Take the exit slight right toward NY 13: Cortland

    789 ft · 22 sec

  38. 38

    Turn right onto Clinton Avenue

    12 m · 5 sec · Clinton Avenue

  39. 39

    Turn left onto Locust Avenue

    1.2 mi · 2 min · Locust Avenue

  40. 40

    Continue on Albany Street

    3055 ft · 1 min · Albany Street

  41. 41

    At the end of the road, turn right onto South Main Street

    2126 ft · 1 min · South Main Street

  42. 42

    Turn left onto Clinton Street

    10.5 mi · 15 min · Clinton Street

  43. 43

    Continue on East Lake Road

    2904 ft · 49 sec · East Lake Road

  44. 44

    Continue on State Route 41

    4.8 mi · 7 min · State Route 41

  45. 45

    Continue on East Lake Road

    9.4 mi · 14 min · East Lake Road

  46. 46

    Continue on East Lake Street

    2676 ft · 48 sec · East Lake Street

  47. 47

    Turn left onto East Genesee Street

    7.3 mi · 14 min · East Genesee Street

  48. 48

    Turn right onto North Fulton Street

    815 ft · 13 sec · North Fulton Street

  49. 49

    Turn left onto Arterial West

    1931 ft · 1 min · Arterial West

  50. 50

    Continue on Chase Street

    9.8 mi · 11 min · Chase Street

  51. 51

    Continue on Auburn Road

    1.9 mi · 2 min · Auburn Road

  52. 52

    Turn right

    4.1 mi · 7 min

  53. 53

    Continue straight

    97 m · 10 sec

  54. 54

    Turn right onto State Route 414

    1557 ft · 29 sec · State Route 414

  55. 55

    Continue on Ridge Road

    66 m · 11 sec · Ridge Road

  56. 56

    Take the ramp left

    945 ft · 23 sec

  57. 57

    Keep slight left to continue on I 90 West: Buffalo

    3202 ft · 1 min

  58. 58

    Merge slight left onto New York State Thruway

    30.3 mi · 35 min · New York State Thruway

  59. 59

    Take the exit slight right toward I 490: Rochester

    2126 ft · 52 sec

  60. 60

    Continue on Eastern Expressway

    7.6 mi · 9 min · Eastern Expressway

  61. 61

    Take the exit slight right toward NY 31F: Fairport, East Rochester

    1133 ft · 28 sec

  62. 62

    Keep slight right to continue on NY 31F East: Fairport

    61 m · 5 sec

  63. 63

    Turn straight onto Fairport Road

    1804 ft · 44 sec · Fairport Road

  64. 64

    Turn left onto South Washington Street

    1 mi · 3 min · South Washington Street

  65. 65

    Turn right onto East Linden Avenue

    3060 ft · 2 min · East Linden Avenue

  66. 66

    At the end of the road, turn left onto Whitney Road

    817 ft · 20 sec · Whitney Road

  67. 67

    Continue on Five Mile Line Road

    2394 ft · 1 min · Five Mile Line Road

  68. 68

    Turn right onto Penfield Road

    37 m · 3 sec · Penfield Road

  69. 69

    Arrive at your destination

    0 m · 1 sec · Penfield Road

Car Route Details

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

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
69 steps
18 turns on the saved route
Ramps & Exits
19
7 merges, 12 ramps or exits
Navigation Density
19.3 / 100 mi
Decision points by distance
Main Roads
I 380 North
86.4 mi · 24%
Christopher Columbus Highway
68.2 mi · 19%
I 81 North
39.3 mi · 11%
New York State Thruway
30.3 mi · 8%
Long Island Expressway
24.8 mi · 7%
Keystone Shortway
17.3 mi · 5%
Longest Stretch

Christopher Columbus Highway

Continue on Christopher Columbus Highway

68.2 mi · 01h 21m

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 39m
Overnight route
Same-Day Return
15h 20m
Round-trip wheel time
Road vs Air
+87.8 mi
269.9 mi direct line
Halfway Stop
Riverside
03h 49m from Smithtown
Leave By
8:40 PM EDT
Overnight-style route
Weather Watch

Sunny leaving Smithtown and Mostly Sunny near Penfield.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 357.7 miles (575.7 km) and usually takes 07h 39m 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 178.3 miles from Smithtown and 179.5 miles from Penfield.

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

The direct path is about 269.9 miles (434.4 km), while the road route adds roughly 87.8 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 $56.13 one way or $112.27 round trip. Estimated CO2 is about 112.2 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Smithtown and Mostly Sunny near Penfield.

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 Smithtown and Penfield. Straight-line distance: 269.91 mi (434.38 km).

Smithtown

#1 Smithtown

Census-designated place in Suffolk County, New York

Population110,876
Coordinates40.8559300, -73.2006700
Altitude18
CountryUnited States
Penfield

#2 Penfield

Town in New York, United States

Population37,243
Coordinates43.1303400, -77.4755500
Altitude129
CountryUnited States
Start: Smithtown (-73.20067, 40.85593)
End: Penfield (-77.47555, 43.13034)

Estimated Travel Time

Distance: 576 km by road

SpeedTime
30 mph (48.3 km/h)11h 55m
40 mph (64.37 km/h)08h 56m
50 mph (80.47 km/h)07h 09m
60 mph (96.56 km/h)05h 57m
70 mph (112.65 km/h)05h 06m
80 mph (129 km/h)04h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.62 gal
47.78 L · about $56.13
Round trip
$112.27
25.24 gal · 95.56 L
Estimated CO2
112.2 kg one way
Round trip: 224.3 kg / 494 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $56.13 $112.27
Mid-grade $4.98 $62.87 $125.75
Premium $5.38 $67.92 $135.84
Diesel $6.51 $82.14 $164.29

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 Smithtown and Penfield. The current time is 17:23:27.

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.