How far is Oyster Bay, NY from Portland, NY?

The driving distance from Oyster Bay, NY to Portland, NY is about 423.7 miles (681.8 km), with a travel time of about 09h 11m by car.

  • The straight-line flight distance is about 323.9 miles (521.2 km).
  • For a round trip, plan for roughly 18h 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
423.65 mi
09h 11m
Flight
323.84 mi
521.17 km direct

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

Learn Distance

Choose another destination from Oyster Bay.

Flight Distance

Direct air line
323.84 mi
Kilometers
521.17 km
Flight Time
00h 39m

Driving Distance

Road route
423.65 mi
Kilometers
681.8 km
Drive Time
09h 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 09h 11m.

Arrival Snapshot
Arrive in Portland
Sun, Apr 19, 12:27 PM EDT
Return by in Oyster Bay
Sun, Apr 19, 9:38 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Oyster Bay
2026-04-19T03:15
Arrive Portland
Sun, Apr 19, 12:27 PM EDT
Route Timing
09h 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
3:11 PM to 4:41 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
5:38 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Oyster Bay
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
Nichols
NY

Village within the town of Nichols, New York, United States

From Oyster Bay
211.5 mi
04h 35m
To Portland
212.1 mi
04h 35m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Sunday

Rain Showers Likely

Starts
Sun, Apr 19 6:00 AM EDT
Wind
8 to 14 mph W
Destination
48°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
14 to 17 mph W

Driving Route Map

The map below follows the saved road route between Oyster Bay and Portland.

Turn-by-Turn Driving Directions

Step-by-step road directions between Oyster Bay and Portland.

  1. 1

    Start on Berry Hill Road

    88 m · 21 sec · Berry Hill Road

  2. 2

    Turn sharp left onto South Street

    131 m · 9 sec · South Street

  3. 3

    Continue on Pine Hollow Road

    1.4 km · 1 min · Pine Hollow Road

  4. 4

    Continue on Oyster Bay Road

    1.2 km · 1 min · Oyster Bay Road

  5. 5

    Turn right onto Northern Boulevard

    13.4 mi · 23 min · Northern Boulevard

  6. 6

    Take the ramp right toward Cross Island Parkway North, Whitestone Bridge

    1178 ft · 29 sec

  7. 7

    Merge slight left onto Cross Island Parkway

    2.3 mi · 3 min · Cross Island Parkway

  8. 8

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

    2905 ft · 1 min

  9. 9

    Merge slight left onto Throgs Neck Bridge

    1.8 mi · 3 min · Throgs Neck Bridge

  10. 10

    Continue on Throgs Neck Expressway

    1.1 km · 1 min · Throgs Neck Expressway

  11. 11

    Keep slight left to continue on Cross Bronx Expressway

    6.6 mi · 9 min · Cross Bronx Expressway

  12. 12

    Keep slight left to continue on Trans-Manhattan Expressway

    1.1 km · 1 min · Trans-Manhattan Expressway

  13. 13

    Continue on George Washington Bridge (upper level)

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

  14. 14

    Continue straight

    2659 ft · 48 sec

  15. 15

    Keep slight left

    3214 ft · 39 sec

  16. 16

    Keep slight left

    559 ft · 9 sec

  17. 17

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

    1270 ft · 23 sec

  18. 18

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

    1884 ft · 29 sec

  19. 19

    Merge slight left onto New Jersey Turnpike

    2 mi · 3 min · New Jersey Turnpike

  20. 20

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

    1.3 km · 1 min

  21. 21

    Continue on Christopher Columbus Highway

    68.2 mi · 1 hr 21 min · Christopher Columbus Highway

  22. 22

    Keep slight left to continue on Keystone Shortway

    5.5 mi · 8 min · Keystone Shortway

  23. 23

    Keep slight left to continue on Keystone Shortway

    194.5 mi · 3 hr 36 min · Keystone Shortway

  24. 24

    Take the exit slight right toward PA 153: Clearfield, Penfield

    2880 ft · 1 min

  25. 25

    Keep slight right

    1315 ft · 32 sec

  26. 26

    Turn straight onto State Park Road

    7.5 mi · 13 min · State Park Road

  27. 27

    Continue on Hoovertown Road

    5 mi · 9 min · Hoovertown Road

  28. 28

    Continue on Penfield Road

    3.7 mi · 6 min · Penfield Road

  29. 29

    At the end of the road, turn right

    12.3 mi · 19 min

  30. 30

    Turn right onto Montmorenci Avenue

    1.6 km · 2 min · Montmorenci Avenue

  31. 31

    Continue on Montmorenci Road

    8.8 mi · 13 min · Montmorenci Road

  32. 32

    Continue on Highland Road

    5.4 mi · 8 min · Highland Road

  33. 33

    At the end of the road, turn left onto Kane-Russell City Road

    2.7 mi · 4 min · Kane-Russell City Road

  34. 34

    Take the exit slight right

    8.6 mi · 12 min

  35. 35

    Continue straight

    2.3 mi · 5 min

  36. 36

    At the end of the road, turn left onto West Main Street

    1.2 mi · 2 min · West Main Street

  37. 37

    Continue on Grand Army of the Republic Highway

    4.5 mi · 6 min · Grand Army of the Republic Highway

  38. 38

    Continue on South Main Street

    1.4 mi · 3 min · South Main Street

  39. 39

    Continue on Grand Army of the Republic Highway

    2.9 mi · 5 min · Grand Army of the Republic Highway

  40. 40

    Continue on Main Street

    1169 ft · 35 sec · Main Street

  41. 41

    Continue on Crescent Park

    1.8 mi · 4 min · Crescent Park

  42. 42

    Continue on Crescent Park

    2270 ft · 1 min · Crescent Park

  43. 43

    Turn right onto Hickory Bridge

    746 ft · 17 sec · Hickory Bridge

  44. 44

    Continue on Hickory Street

    956 ft · 25 sec · Hickory Street

  45. 45

    Turn right onto West 4th Avenue

    1071 ft · 23 sec · West 4th Avenue

  46. 46

    Turn left onto Market Street

    2.1 mi · 2 min · Market Street

  47. 47

    Turn left onto Jackson Run Road

    8.8 mi · 13 min · Jackson Run Road

  48. 48

    Continue on Main Street

    1238 ft · 24 sec · Main Street

  49. 49

    Continue on Jackson Run Road

    3.6 mi · 5 min · Jackson Run Road

  50. 50

    Continue on Mechanic Street

    1826 ft · 38 sec · Mechanic Street

  51. 51

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

    123 m · 13 sec · Main Street

  52. 52

    Turn left onto Forrest Street

    3010 ft · 1 min · Forrest Street

  53. 53

    Continue on Big Tree Road

    1.5 km · 2 min · Big Tree Road

  54. 54

    Continue on Big Tree-Sugar Grove Road

    3.9 mi · 7 min · Big Tree-Sugar Grove Road

  55. 55

    Continue on Big Tree Road

    2.6 mi · 4 min · Big Tree Road

  56. 56

    Turn left onto West Fairmount Avenue

    1670 ft · 41 sec · West Fairmount Avenue

  57. 57

    Continue on West Lake Road

    12.5 mi · 19 min · West Lake Road

  58. 58

    Continue on South Erie Street

    2.5 mi · 4 min · South Erie Street

  59. 59

    Continue on Portage Road

    4.4 mi · 7 min · Portage Road

  60. 60

    Continue on South Portage Street

    1.1 mi · 2 min · South Portage Street

  61. 61

    Turn right onto East Main Street

    1.4 mi · 3 min · East Main Street

  62. 62

    Continue on Erie Road

    5.6 mi · 8 min · Erie Road

  63. 63

    Arrive at your destination

    0 m · 1 sec · Erie Road

Car Route Details

A richer read on the saved driving route between Oyster Bay and Portland.

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
63 steps
16 turns on the saved route
Ramps & Exits
9
3 merges, 6 ramps or exits
Navigation Density
14.9 / 100 mi
Decision points by distance
Main Roads
Keystone Shortway
200 mi · 47%
Christopher Columbus Highway
68.2 mi · 16%
Kane-Russell City Road
13.7 mi · 3%
Northern Boulevard
13.4 mi · 3%
West Lake Road
12.5 mi · 3%
Jackson Run Road
12.5 mi · 3%
Longest Stretch

Keystone Shortway

Keep slight left to continue on Keystone Shortway

195 mi · 03h 36m

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
09h 11m
Overnight route
Same-Day Return
18h 22m
Round-trip wheel time
Road vs Air
+99.8 mi
323.9 mi direct line
Halfway Stop
Nichols
04h 35m from Oyster Bay
Leave By
5:38 PM EDT
Overnight-style route
Weather Watch

Rain Showers Likely leaving Oyster Bay and Chance Rain Showers near Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Oyster Bay to Portland?

The road trip is about 423.7 miles (681.8 km) and usually takes 09h 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?

Nichols is a useful midpoint, sitting about 211.5 miles from Oyster Bay and 212.1 miles from Portland.

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

The direct path is about 323.9 miles (521.2 km), while the road route adds roughly 99.8 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 $59.93 one way or $119.87 round trip. Estimated CO2 is about 132.9 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Oyster Bay and Chance Rain Showers near Portland.

Flight Path Map

This map shows the direct air route between Oyster Bay and Portland. Straight-line distance: 323.84 mi (521.17 km).

Oyster Bay

#1 Oyster Bay

Town on Long Island, New York, United States

Population296,592
Coordinates40.8656500, -73.5320700
Altitude14
CountryUnited States
Portland

#2 Portland

Town in Chautauqua County, New York, United States of America

Population4,551
Coordinates42.3797800, -79.4675500
Altitude232
CountryUnited States
Start: Oyster Bay (-73.53207, 40.86565)
End: Portland (-79.46755, 42.37978)

Estimated Travel Time

Distance: 682 km by road

SpeedTime
30 mph (48.3 km/h)14h 06m
40 mph (64.37 km/h)10h 35m
50 mph (80.47 km/h)08h 28m
60 mph (96.56 km/h)07h 03m
70 mph (112.65 km/h)06h 03m
80 mph (129 km/h)05h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.95 gal
56.59 L · about $59.93
Round trip
$119.87
29.9 gal · 113.18 L
Estimated CO2
132.9 kg one way
Round trip: 265.7 kg / 586 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.01 $59.93 $119.87
Mid-grade $4.48 $66.99 $133.98
Premium $4.86 $72.67 $145.34
Diesel $4.69 $70.18 $140.35

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 · Apr 19, 2026

There is no time difference between Oyster Bay and Portland. The current time is 03:15:48.

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.