How far is East Norwalk, CT from Cos Cob, CT?

The driving distance from East Norwalk, CT to Cos Cob, CT is about 13 miles (21 km), with a travel time of about 00h 20m by car.

  • The straight-line flight distance is about 11.6 miles (18.7 km).
  • For a round trip, plan for roughly 00h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
13.07 mi
00h 20m
Flight
11.6 mi
18.67 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from East Norwalk.

Flight Distance

Direct air line
11.6 mi
Kilometers
18.67 km
Flight Time
00h 01m

Driving Distance

Road route
13.07 mi
Kilometers
21.04 km
Drive Time
00h 20m

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 00h 20m.

Arrival Snapshot
Arrive in Cos Cob
Wed, Apr 15, 6:54 AM EDT
Return by in East Norwalk
Wed, Apr 15, 7:14 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave East Norwalk
2026-04-15T06:34
Arrive Cos Cob
Wed, Apr 15, 6:54 AM EDT
Route Timing
00h 20m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:20 AM to 7:20 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:50 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in East Norwalk
10:00 PM EDT
Flexible departure

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
Darien
CT

Town in Connecticut

From East Norwalk
6.5 mi
00h 10m
To Cos Cob
6.5 mi
00h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Overnight

Partly Cloudy

Starts
Wed, Apr 15 3:00 AM EDT
Wind
3 mph W
Destination
79°F
Wednesday

Slight Chance Rain Showers

Starts
Wed, Apr 15 6:00 AM EDT
Wind
6 to 12 mph S

Driving Route Map

The map below follows the saved road route between East Norwalk and Cos Cob.

Turn-by-Turn Driving Directions

Step-by-step road directions between East Norwalk and Cos Cob.

  1. 1

    Start on Winfield Street

    1784 ft · 42 sec · Winfield Street

  2. 2

    Turn right onto East Avenue

    2091 ft · 49 sec · East Avenue

  3. 3

    Take the ramp left toward I 95 South: New York City

    820 ft · 20 sec

  4. 4

    Merge slight left

    10.4 mi · 14 min

  5. 5

    Take the exit slight right toward US 1: Riverside, Old Greenwich

    956 ft · 35 sec

  6. 6

    Turn slight left onto East Putnam Avenue

    1.3 mi · 2 min · East Putnam Avenue

  7. 7

    Turn left onto Strickland Road

    146 m · 23 sec · Strickland Road

  8. 8

    Turn right onto Loughlin Avenue

    118 m · 23 sec · Loughlin Avenue

  9. 9

    Turn left onto Maplewood Drive

    817 ft · 36 sec · Maplewood Drive

  10. 10

    Arrive at your destination

    0 m · 1 sec · Maplewood Drive

Car Route Details

A richer read on the saved driving route between East Norwalk and Cos Cob.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
10 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
76.3 / 100 mi
Decision points by distance
Main Roads
I 95 South
10.5 mi · 81%
East Putnam Avenue
1.3 mi · 10%
East Avenue
0.4 mi · 3%
Winfield Street
0.34 mi · 3%
US 1
0.18 mi · 1%
Maplewood Drive
0.15 mi · 1%
Longest Stretch

I 95 South

Merge slight left

10.4 mi · 00h 14m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 20m
Quick drive
Same-Day Return
00h 40m
Round-trip wheel time
Road vs Air
+1.4 mi
11.6 mi direct line
Halfway Stop
Darien
00h 10m from East Norwalk
Leave By
7:50 PM EDT
Flexible departure
Weather Watch

Partly Cloudy leaving East Norwalk and Slight Chance Rain Showers near Cos Cob.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from East Norwalk to Cos Cob?

The road trip is about 13 miles (21 km) and usually takes 00h 20m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Darien is a useful midpoint, sitting about 6.5 miles from East Norwalk and 6.5 miles from Cos Cob.

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

The direct path is about 11.6 miles (18.7 km), while the road route adds roughly 1.4 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:50 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $1.81 one way or $3.63 round trip. Estimated CO2 is about 4.1 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy around East Norwalk and Slight Chance Rain Showers near Cos Cob.

Stop Ideas Near Darien

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Darien and the surrounding midpoint area.
Norwalk City Hall parking
Scenic stop 5.6 mi away

Norwalk City Hall parking

Norwalk , CT
City Hall Dr, Norwalk, CT 06851
Rating 4.0/5 27 reviews Parking lot
City of Norwalk, Connecticut
Meeting point 5.6 mi away

City of Norwalk, Connecticut

Norwalk , CT
125 East Ave, Norwalk, CT 06851
Rating 3.2/5 22 reviews City Hall
Stop photo coming soon
Nearby stop 14.2 mi away

City Hall

White Plains , NY
White Plains, NY 10601
Rating 5.0/5 1 reviews Corporate office
Old Town Hall
Scenic stop 7.3 mi away

Old Town Hall

Greenwich , CT
Greenwich Ave, Greenwich, CT 06830
Rating 3.9/5 10 reviews Tourist attraction,Historical landmark

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Darien.

RAIL

Stamford Transportation Center

7 mi away
Washington Blvd and South State St.
RAIL

Bridgeport

26 mi away
525 Water St.
RAIL

New Rochelle station

32 mi away
1 Railroad Plaza
RAIL

Croton–Harmon station

37 mi away
1 Croton Point Avenue

Flight Path Map

This map shows the direct air route between East Norwalk and Cos Cob. Straight-line distance: 11.6 mi (18.67 km).

East Norwalk

#1 East Norwalk

A census-designated place in Norwalk, Connecticut.

Population84,530
Coordinates41.1056500, -73.3984500
Altitude10
CountryUnited States
Photo coming soon

#2 Cos Cob

Cos Cob is a place in Connecticut, United States.

Population0
Coordinates41.0334300, -73.5995700
Altitude15
CountryUnited States
Start: East Norwalk (-73.39845, 41.10565)
End: Cos Cob (-73.59957, 41.03343)

Estimated Travel Time

Distance: 21 km by road

SpeedTime
30 mph (48.3 km/h)00h 26m
40 mph (64.37 km/h)00h 19m
50 mph (80.47 km/h)00h 15m
60 mph (96.56 km/h)00h 13m
70 mph (112.65 km/h)00h 11m
80 mph (129 km/h)00h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.46 gal
1.75 L · about $1.81
Round trip
$3.63
0.92 gal · 3.5 L
Estimated CO2
4.1 kg one way
Round trip: 8.2 kg / 18 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $1.81 $3.63
Mid-grade $4.46 $2.05 $4.10
Premium $4.86 $2.23 $4.47
Diesel $6.00 $2.76 $5.52

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 Connecticut · Apr 15, 2026

There is no time difference between East Norwalk and Cos Cob. The current time is 06:34:24.

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.