How far is Seaside Park, NJ from Denville, NJ?

The driving distance from Seaside Park, NJ to Denville, NJ is about 88.4 miles (142.3 km), with a travel time of about 01h 59m by car.

  • The straight-line flight distance is about 70 miles (112.6 km).
  • For a round trip, plan for roughly 03h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
88.4 mi
01h 59m
Flight
69.95 mi
112.58 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Seaside Park.

Flight Distance

Direct air line
69.95 mi
Kilometers
112.58 km
Flight Time
00h 08m

Driving Distance

Road route
88.4 mi
Kilometers
142.26 km
Drive Time
01h 59m

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 01h 59m.

Arrival Snapshot
Arrive in Denville
Wed, Jun 10, 6:49 PM EDT
Return by in Seaside Park
Wed, Jun 10, 8:49 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Seaside Park
2026-06-10T16:50
Arrive Denville
Wed, Jun 10, 6:49 PM EDT
Route Timing
01h 59m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:59 AM to 11:59 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:32 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Seaside Park
9:30 PM EDT
Morning start is best

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
Morristown
NJ

Town in Morris County, New Jersey, USA

From Seaside Park
44.2 mi
00h 59m
To Denville
44.2 mi
00h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Today

Slight Chance Rain Showers then Chance Showers And Thunderstorms

Starts
Wed, Jun 10 11:00 AM EDT
Wind
15 mph S
Destination
83°F
Today

Slight Chance Rain Showers then Chance Showers And Thunderstorms

Starts
Wed, Jun 10 7:00 AM EDT
Wind
5 to 10 mph SW

Driving Route Map

The map below follows the saved road route between Seaside Park and Denville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Seaside Park and Denville.

  1. 1

    Start on E Street

    46 m · 9 sec · E Street

  2. 2

    Turn right onto Southeast Central Avenue

    1.1 km · 2 min · Southeast Central Avenue

  3. 3

    Keep slight right to continue on East Central Avenue

    1189 ft · 46 sec · East Central Avenue

  4. 4

    Turn left onto Hamilton Avenue

    1082 ft · 22 sec · Hamilton Avenue

  5. 5

    Continue straight

    1433 ft · 25 sec

  6. 6

    Continue straight

    2.2 mi · 3 min

  7. 7

    Turn right onto Fischer Boulevard

    4.1 mi · 6 min · Fischer Boulevard

  8. 8

    Turn right onto Hooper Avenue

    1.3 mi · 3 min · Hooper Avenue

  9. 9

    Keep slight left to continue on Brick Boulevard

    1.2 km · 1 min · Brick Boulevard

  10. 10

    Turn slight left

    954 ft · 44 sec

  11. 11

    Turn left onto Beaverson Boulevard

    1.2 km · 1 min · Beaverson Boulevard

  12. 12

    Continue on Shorrock Street

    1.6 mi · 3 min · Shorrock Street

  13. 13

    Continue on GSP North Toll: Woodbridge

    2654 ft · 37 sec

  14. 14

    Keep slight left to continue on GSP North

    2425 ft · 48 sec

  15. 15

    Merge slight left onto Garden State Parkway

    13.4 mi · 16 min · Garden State Parkway

  16. 16

    Keep slight left

    2399 ft · 31 sec

  17. 17

    Continue on Garden State Parkway

    38.6 mi · 49 min · Garden State Parkway

  18. 18

    Take the exit slight right toward I 78 West: Springfield

    1.3 km · 2 min

  19. 19

    Merge slight left onto Phillipsburg-Newark Expressway

    3.6 mi · 4 min · Phillipsburg-Newark Expressway

  20. 20

    Keep slight right to continue on NJ 24 West: Springfield, Morristown

    1798 ft · 34 sec

  21. 21

    Continue straight

    9.4 mi · 11 min

  22. 22

    Keep slight right to continue on I 287 North: Mahwah

    2647 ft · 57 sec

  23. 23

    Merge slight left

    3.5 mi · 5 min

  24. 24

    Take the exit slight right toward I 80 East: Smith Road, New York City

    860 ft · 21 sec

  25. 25

    Keep slight right to continue on Smith Road

    673 ft · 25 sec

  26. 26

    Turn left onto Smith Road

    1918 ft · 42 sec · Smith Road

  27. 27

    Merge slight right

    3.3 mi · 5 min

  28. 28

    Turn straight onto Bloomfield Avenue

    1366 ft · 42 sec · Bloomfield Avenue

  29. 29

    Keep slight right to continue on Broadway Avenue

    1144 ft · 39 sec · Broadway Avenue

  30. 30

    Arrive at your destination

    0 m · 1 sec · Broadway Avenue

Car Route Details

A richer read on the saved driving route between Seaside Park and Denville.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
30 steps
8 turns on the saved route
Ramps & Exits
6
4 merges, 2 ramps or exits
Navigation Density
33.9 / 100 mi
Decision points by distance
Main Roads
Garden State Parkway
52.5 mi · 59%
NJ 24 West
9.73 mi · 11%
Fischer Boulevard
4.08 mi · 5%
I 287 North
4.03 mi · 5%
Smith Road
3.77 mi · 4%
Phillipsburg-Newark Expressway
3.59 mi · 4%
Longest Stretch

Garden State Parkway

Continue on Garden State Parkway

38.6 mi · 00h 49m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 59m
Day trip friendly
Same-Day Return
03h 58m
Round-trip wheel time
Road vs Air
+18.4 mi
70 mi direct line
Halfway Stop
Morristown
00h 59m from Seaside Park
Leave By
2:32 PM EDT
Morning start is best
Weather Watch

Slight Chance Rain Showers then Chance Showers And Thunderstorms leaving Seaside Park and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Denville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Seaside Park to Denville?

The road trip is about 88.4 miles (142.3 km) and usually takes 01h 59m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Morristown is a useful midpoint, sitting about 44.2 miles from Seaside Park and 44.2 miles from Denville.

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

The direct path is about 70 miles (112.6 km), while the road route adds roughly 18.4 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:32 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.75 one way or $25.50 round trip. Estimated CO2 is about 27.7 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers then Chance Showers And Thunderstorms around Seaside Park and Slight Chance Rain Showers then Chance Showers And Thunderstorms near Denville.

Stop Ideas Near Morristown

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

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

RAIL

Metropark station

17 mi away
100 Middlesex-Essex Turnpike
RAIL

New Brunswick station

18 mi away
French and Albany Streets
RAIL

Newark Liberty International Airport

32 mi away
Newark Liberty International Airport
RAIL

Princeton Junction station

34 mi away
2 Wallace Road

Flight Path Map

This map shows the direct air route between Seaside Park and Denville. Straight-line distance: 69.95 mi (112.58 km).

Seaside Park

#1 Seaside Park

Borough in New Jersey, United States

Population1,561
Coordinates39.9267900, -74.0770800
Altitude2
CountryUnited States
Denville

#2 Denville

Township in Morris County, New Jersey

Population16,362
Coordinates40.8923200, -74.4773800
Altitude154
CountryUnited States
Start: Seaside Park (-74.07708, 39.92679)
End: Denville (-74.47738, 40.89232)

Estimated Travel Time

Distance: 142 km by road

SpeedTime
30 mph (48.3 km/h)02h 56m
40 mph (64.37 km/h)02h 12m
50 mph (80.47 km/h)01h 46m
60 mph (96.56 km/h)01h 28m
70 mph (112.65 km/h)01h 15m
80 mph (129 km/h)01h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.12 gal
11.81 L · about $12.75
Round trip
$25.50
6.24 gal · 23.62 L
Estimated CO2
27.7 kg one way
Round trip: 55.5 kg / 122 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $12.75 $25.50
Mid-grade $4.60 $14.35 $28.70
Premium $4.95 $15.46 $30.91
Diesel $5.98 $18.66 $37.32

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 Jersey · Jun 10, 2026

There is no time difference between Seaside Park and Denville. The current time is 16:50:44.

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.