How far is Constantia, NY from Smithtown, NY?
The driving distance from Constantia, NY to Smithtown, NY is about 322.7 miles (519.3 km), with a travel time of about 05h 34m by car.
- The straight-line flight distance is about 218.9 miles (352.3 km).
- For a round trip, plan for roughly 11h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 05h 34m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in Sullivan County, New York, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Constantia and Smithtown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Constantia and Smithtown.
-
1
Start on Mill Street
3 m · 6 sec · Mill Street
-
2
Turn left onto George Street
3114 ft · 53 sec · George Street
-
3
Continue on State Route 49
6.8 mi · 10 min · State Route 49
-
4
Continue on East Avenue
159 m · 16 sec · East Avenue
-
5
Take the ramp left toward I 81 South
1213 ft · 30 sec
-
6
Merge slight left
9.3 mi · 11 min
-
7
Keep slight right
2721 ft · 33 sec
-
8
Continue straight
11 mi · 14 min
-
9
Continue straight
1.2 km · 49 sec
-
10
Continue straight
72.6 mi · 1 hr 25 min
-
11
Keep slight right to continue on I 81 South: Scranton
53.4 mi · 1 hr 3 min
-
12
Keep slight right to continue on I 84 East, I 380 South, US 6 East: Carbondale, Mt Pocono
1.2 km · 1 min
-
13
Continue on I 84 East, I 380 South: Mount Pocono, Milford
3.7 mi · 5 min
-
14
Keep slight right to continue on I 380 South: Mount Pocono
23.6 mi · 26 min
-
15
Keep slight left to continue on I 80 East: Stroudsburg
1 mi · 1 min
-
16
Merge slight right onto Keystone Shortway
80 mi · 1 hr 37 min · Keystone Shortway
-
17
Keep slight right to continue on Christopher Columbus Highway
5.5 mi · 6 min · Christopher Columbus Highway
-
18
Keep slight left to continue on I 95 North: George Washington Bridge, New York City
1503 ft · 23 sec
-
19
Keep slight right to continue on Leonia, Teaneck
2128 ft · 38 sec
-
20
Turn right onto Leonia
1032 ft · 35 sec
-
21
Turn straight onto Degraw Avenue
138 m · 9 sec · Degraw Avenue
-
22
Continue on Fort Lee Road
1.1 mi · 2 min · Fort Lee Road
-
23
Continue on Main Street
143 m · 13 sec · Main Street
-
24
Take the ramp left toward George Washington Bridge
144 m · 13 sec
-
25
Merge slight left onto Bergen Boulevard
1552 ft · 29 sec · Bergen Boulevard
-
26
Take the exit slight left toward George Washington Bridge Upper Level
95 m · 5 sec
-
27
Merge slight left
1649 ft · 20 sec
-
28
Keep slight left
1.3 km · 1 min
-
29
Continue on George Washington Bridge (upper level)
3174 ft · 1 min · George Washington Bridge (upper level)
-
30
Continue on Trans-Manhattan Expressway
1.2 km · 1 min · Trans-Manhattan Expressway
-
31
Continue on Cross Bronx Expressway
4.7 mi · 6 min · Cross Bronx Expressway
-
32
Keep slight right to continue on Cross Bronx Expressway
2 mi · 3 min · Cross Bronx Expressway
-
33
Merge slight left onto Throgs Neck Expressway
3271 ft · 58 sec · Throgs Neck Expressway
-
34
Continue on Throgs Neck Bridge
2 mi · 3 min · Throgs Neck Bridge
-
35
Continue on Clearview Expressway
3.2 mi · 3 min · Clearview Expressway
-
36
Take the exit slight right toward I 495: Manhattan, Eastern Long Island
810 ft · 28 sec
-
37
Keep slight left to continue on I 495 East: Long Island Expressway, Eastern Long Island
1448 ft · 39 sec
-
38
Merge slight left onto Long Island Expressway
14.2 mi · 20 min · Long Island Expressway
-
39
Take the exit slight right toward N East: Hauppauge
2144 ft · 53 sec
-
40
Merge slight left onto Northern State Parkway
13.7 mi · 19 min · Northern State Parkway
-
41
Take the exit slight right toward SM North: Kings Park
1052 ft · 26 sec
-
42
Merge slight left onto Sagtikos State Parkway
152 m · 6 sec · Sagtikos State Parkway
-
43
Continue on Sunken Meadow State Parkway
1.7 mi · 2 min · Sunken Meadow State Parkway
-
44
Take the exit slight right toward NY 25 East: Jericho Turnpike East, Smithtown
1170 ft · 31 sec
-
45
Turn slight right onto Jericho Turnpike
3.9 mi · 6 min · Jericho Turnpike
-
46
Continue on West Main Street
3144 ft · 55 sec · West Main Street
-
47
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between Constantia and Smithtown.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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.
Mostly Sunny leaving Constantia 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 Constantia to Smithtown?
The road trip is about 322.7 miles (519.3 km) and usually takes 05h 34m 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?
Tusten is a useful midpoint, sitting about 160.7 miles from Constantia and 161.9 miles from Smithtown.
How much longer is the road route than the straight-line distance?
The direct path is about 218.9 miles (352.3 km), while the road route adds roughly 103.8 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 5:52 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $50.66 one way or $101.33 round trip. Estimated CO2 is about 101.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Constantia and Partly Cloudy near Smithtown.
Stop Ideas Near Tusten
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 Tusten.
Scranton, PA
White Haven, PA
Wilkes-Barre, PA
Poughkeepsie station
Flight Path Map
This map shows the direct air route between Constantia and Smithtown. Straight-line distance: 218.93 mi (352.33 km).
#1 Constantia
Human settlement in Oswego County, New York, United States of America
| Population | 4,794 |
| Coordinates | 43.2478500, -76.0002000 |
| Altitude | 117 |
| Country | United States |
#2 Smithtown
Census-designated place in Suffolk County, New York
| Population | 110,876 |
| Coordinates | 40.8559300, -73.2006700 |
| Altitude | 18 |
| Country | United States |
End: West Main Street (-73.200729, 40.855811)
Estimated Travel Time
Distance: 519 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 45m |
| 40 mph (64.37 km/h) | 08h 04m |
| 50 mph (80.47 km/h) | 06h 27m |
| 60 mph (96.56 km/h) | 05h 22m |
| 70 mph (112.65 km/h) | 04h 36m |
| 80 mph (129 km/h) | 04h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.45 | $50.66 | $101.33 |
| Mid-grade | $4.98 | $56.74 | $113.49 |
| Premium | $5.38 | $61.30 | $122.60 |
| Diesel | $6.51 | $74.14 | $148.28 |
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