How far is Kent, NY from Smithtown, NY?

The driving distance from Kent, NY to Smithtown, NY is about 419.7 miles (675.4 km), with a travel time of about 07h 01m by car.

  • The straight-line flight distance is about 305.2 miles (491.1 km).
  • For a round trip, plan for roughly 14h 03m 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
419.67 mi
07h 01m
Flight
305.17 mi
491.13 km direct

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

Learn Distance

Choose another destination from Kent.

Flight Distance

Direct air line
305.17 mi
Kilometers
491.13 km
Flight Time
00h 36m

Driving Distance

Road route
419.67 mi
Kilometers
675.4 km
Drive Time
07h 01m

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 01m.

Arrival Snapshot
Arrive in Smithtown
Thu, Oct 15, 9:24 PM EDT
Return by in Kent
Fri, Oct 16, 4:26 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kent
2026-10-15T14:23
Arrive Smithtown
Thu, Oct 15, 9:24 PM EDT
Route Timing
07h 01m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
1:02 PM to 2:32 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
9:56 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Kent
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 Kent
197.8 mi
03h 30m
To Smithtown
221.8 mi
03h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Thursday

Mostly Cloudy

Starts
Thu, Oct 15 6:00 AM EDT
Wind
7 to 12 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 Kent and Smithtown.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Ford Street

    16 m · 5 sec · Ford Street

  2. 2

    Turn right onto Kent Road

    1.4 km · 2 min · Kent Road

  3. 3

    Turn right onto Roosevelt Highway

    2.8 mi · 4 min · Roosevelt Highway

  4. 4

    Turn right onto Peter Smith Road

    2 mi · 3 min · Peter Smith Road

  5. 5

    Turn left onto Ridge Road

    11.3 mi · 16 min · Ridge Road

  6. 6

    Turn right onto Sweden-Walker Road

    1.9 mi · 4 min · Sweden-Walker Road

  7. 7

    Turn left onto Brockport-Spencerport Road

    2.5 mi · 3 min · Brockport-Spencerport Road

  8. 8

    Continue straight

    7.5 mi · 9 min

  9. 9

    Keep slight left to continue on I 490 East: Rochester

    2778 ft · 1 min

  10. 10

    Merge slight right onto Western Expressway

    20.1 mi · 26 min · Western Expressway

  11. 11

    Keep slight left to continue on I 90 East: Albany

    3238 ft · 42 sec

  12. 12

    Merge slight left onto New York State Thruway

    30 mi · 35 min · New York State Thruway

  13. 13

    Take the exit slight right toward NY 414: Waterloo, Clyde

    2420 ft · 59 sec

  14. 14

    Keep slight right

    100 m · 8 sec

  15. 15

    Continue on State Route 414

    1557 ft · 35 sec · State Route 414

  16. 16

    Turn left

    4.1 mi · 7 min

  17. 17

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

    1.9 mi · 2 min · Auburn Road

  18. 18

    Continue on Clark Street Road

    9.6 mi · 11 min · Clark Street Road

  19. 19

    Turn right onto State Street

    69 m · 12 sec · State Street

  20. 20

    Turn left onto Dill Street

    720 ft · 22 sec · Dill Street

  21. 21

    Continue on Loop Road

    140 m · 17 sec · Loop Road

  22. 22

    Turn left onto Genesee Street

    5.5 mi · 10 min · Genesee Street

  23. 23

    Continue on West Genesee Street Road

    2.2 mi · 5 min · West Genesee Street Road

  24. 24

    Turn right onto East Lake Street

    2676 ft · 45 sec · East Lake Street

  25. 25

    Continue on East Lake Road

    9.4 mi · 14 min · East Lake Road

  26. 26

    Continue on State Route 41

    4.8 mi · 7 min · State Route 41

  27. 27

    Continue on East Lake Road

    2904 ft · 49 sec · East Lake Road

  28. 28

    Continue on State Highway 41

    9.8 mi · 14 min · State Highway 41

  29. 29

    Turn right onto North West Street

    1.2 mi · 3 min · North West Street

  30. 30

    Take the ramp left

    1.1 km · 1 min

  31. 31

    Keep slight right to continue on I 81 South: Binghamton

    1396 ft · 34 sec

  32. 32

    Merge slight left

    45.4 mi · 54 min

  33. 33

    Keep slight right to continue on I 81 South: Scranton

    53.4 mi · 1 hr 3 min

  34. 34

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

    1.2 km · 1 min

  35. 35

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

    3.7 mi · 5 min

  36. 36

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

    23.6 mi · 26 min

  37. 37

    Keep slight left to continue on I 80 East: Stroudsburg

    1 mi · 1 min

  38. 38

    Merge slight right onto Keystone Shortway

    80 mi · 1 hr 37 min · Keystone Shortway

  39. 39

    Keep slight right to continue on Christopher Columbus Highway

    5.5 mi · 6 min · Christopher Columbus Highway

  40. 40

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

    1503 ft · 23 sec

  41. 41

    Keep slight right to continue on Leonia, Teaneck

    2128 ft · 38 sec

  42. 42

    Turn right onto Leonia

    1032 ft · 35 sec

  43. 43

    Turn straight onto Degraw Avenue

    138 m · 9 sec · Degraw Avenue

  44. 44

    Continue on Fort Lee Road

    1.1 mi · 2 min · Fort Lee Road

  45. 45

    Continue on Main Street

    143 m · 13 sec · Main Street

  46. 46

    Take the ramp left toward George Washington Bridge

    144 m · 13 sec

  47. 47

    Merge slight left onto Bergen Boulevard

    1552 ft · 29 sec · Bergen Boulevard

  48. 48

    Take the exit slight left toward George Washington Bridge Upper Level

    95 m · 5 sec

  49. 49

    Merge slight left

    1649 ft · 20 sec

  50. 50

    Keep slight left

    1.3 km · 1 min

  51. 51

    Continue on George Washington Bridge (upper level)

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

  52. 52

    Continue on Trans-Manhattan Expressway

    1.2 km · 1 min · Trans-Manhattan Expressway

  53. 53

    Continue on Cross Bronx Expressway

    4.7 mi · 6 min · Cross Bronx Expressway

  54. 54

    Keep slight right to continue on Cross Bronx Expressway

    2 mi · 3 min · Cross Bronx Expressway

  55. 55

    Merge slight left onto Throgs Neck Expressway

    3271 ft · 58 sec · Throgs Neck Expressway

  56. 56

    Continue on Throgs Neck Bridge

    2 mi · 3 min · Throgs Neck Bridge

  57. 57

    Continue on Clearview Expressway

    3.2 mi · 3 min · Clearview Expressway

  58. 58

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

    810 ft · 28 sec

  59. 59

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

    1448 ft · 39 sec

  60. 60

    Merge slight left onto Long Island Expressway

    14.2 mi · 20 min · Long Island Expressway

  61. 61

    Take the exit slight right toward N East: Hauppauge

    2144 ft · 53 sec

  62. 62

    Merge slight left onto Northern State Parkway

    13.7 mi · 19 min · Northern State Parkway

  63. 63

    Take the exit slight right toward SM North: Kings Park

    1052 ft · 26 sec

  64. 64

    Merge slight left onto Sagtikos State Parkway

    152 m · 6 sec · Sagtikos State Parkway

  65. 65

    Continue on Sunken Meadow State Parkway

    1.7 mi · 2 min · Sunken Meadow State Parkway

  66. 66

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

    1170 ft · 31 sec

  67. 67

    Turn slight right onto Jericho Turnpike

    3.9 mi · 6 min · Jericho Turnpike

  68. 68

    Continue on West Main Street

    3144 ft · 55 sec · West Main Street

  69. 69

    Arrive at your destination

    0 m · 1 sec · West Main Street

Car Route Details

A richer read on the saved driving route between Kent 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
69 steps
17 turns on the saved route
Ramps & Exits
18
10 merges, 8 ramps or exits
Navigation Density
16.4 / 100 mi
Decision points by distance
Main Roads
I 81 South
99 mi · 24%
Keystone Shortway
80 mi · 19%
New York State Thruway
30 mi · 7%
I 380 South
23.6 mi · 6%
Western Expressway
20.1 mi · 5%
Long Island Expressway
14.2 mi · 3%
Longest Stretch

Keystone Shortway

Merge slight right onto Keystone Shortway

80 mi · 01h 37m

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 01m
Overnight route
Same-Day Return
14h 04m
Round-trip wheel time
Road vs Air
+114.5 mi
305.2 mi direct line
Halfway Stop
Riverside
03h 30m from Kent
Leave By
9:56 PM EDT
Overnight-style route
Weather Watch

Mostly Cloudy leaving Kent 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 Kent to Smithtown?

The road trip is about 419.7 miles (675.4 km) and usually takes 07h 01m 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 197.8 miles from Kent and 221.8 miles from Smithtown.

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

The direct path is about 305.2 miles (491.1 km), while the road route adds roughly 114.5 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 $65.87 one way or $131.75 round trip. Estimated CO2 is about 131.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Kent 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 Kent and Smithtown. Straight-line distance: 305.17 mi (491.13 km).

Kent

#1 Kent

Town in Putnam County, New York, United States

Population13,142
Coordinates43.3278400, -78.1353000
Altitude104
CountryUnited States
Smithtown

#2 Smithtown

Census-designated place in Suffolk County, New York

Population110,876
Coordinates40.8559300, -73.2006700
Altitude18
CountryUnited States
Start: Ford Street (-78.135299, 43.327819)
End: West Main Street (-73.200729, 40.855811)

Estimated Travel Time

Distance: 675 km by road

SpeedTime
30 mph (48.3 km/h)13h 59m
40 mph (64.37 km/h)10h 29m
50 mph (80.47 km/h)08h 23m
60 mph (96.56 km/h)06h 59m
70 mph (112.65 km/h)05h 59m
80 mph (129 km/h)05h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.81 gal
56.06 L · about $65.87
Round trip
$131.75
29.62 gal · 112.12 L
Estimated CO2
131.6 kg one way
Round trip: 263.2 kg / 580 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.45 $65.87 $131.75
Mid-grade $4.98 $73.78 $147.57
Premium $5.38 $79.71 $159.41
Diesel $6.51 $96.40 $192.80

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 Kent and Smithtown. The current time is 14:23:19.

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.