Origin
Stamford, CT
Morning in Stamford on Friday
Local time
6:40 AM
EDT
Current temp
44°F
Unavailable
Live forecast
Trip from Stamford, CT to Cos Cob, CT
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
8m
Distance
4.5 mi
7 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$1
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
0h 8m
★
6 AM
0h 9m
8 AM
0h 10m
10 AM
0h 9m
12 PM
0h 9m
3 PM
0h 10m
5 PM
0h 10m
8 PM
0h 8m
★
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Stamford, CT
Wikimedia Commons
Cos Cob, CT
MART PRODUCTION
Trip Overview
The drive from Stamford, CT to Cos Cob, CT covers 4.5 miles and takes about 8m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 95, East Putnam Avenue, Atlantic Street for much of the mileage, and the overall profile is mixed drive. The longest uninterrupted segment is about 1.8 miles on I 95. At current regular gas prices, budget about $0.72 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 8m. Total distance: 4.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
8m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (39%). Some complex stretches to watch for.
Scenic Drive
Mixed drive route profile with national parks nearby.
Drive Character
The drive from Stamford, CT to Cos Cob, CT covers 4.5 miles and takes about 8m, using a mix of highways and local roads.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 13 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 95 is the longest continuous segment at about 1.8 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 11 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.1 miles in near Broad Street.
Driving Effort
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 4.5 miles you will encounter 11 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Broad Street): Lane positioning matters here; at 0.5 miles (Atlantic Street): Lane positioning matters here; at 0.7 miles: Navigation decision point.
Critical Maneuvers
5 of 11 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.1 mi into trip
|
~0m in
|
Broad Street
Turn left onto Broad Street
Lane positioning matters here
Use the straight / right lanes.
5
0.5 mi into trip
|
~1m in
|
Atlantic Street
Turn right onto Atlantic Street
Lane positioning matters here
Use the left lane.
5
0.7 mi into trip
|
~1m in
Take the ramp toward I 95 South: New York City
Navigation decision point
Toward I 95 South: New York City
5
0.9 mi into trip
|
~2m in
|
I 95
Merge onto I 95
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
2.7 mi into trip
|
~4m in
Take the exit toward US 1: Riverside, Old Greenwich
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 5
Toward US 1: Riverside, Old Greenwich
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Stamford, CT to Cos Cob, CT, road signs begin pointing toward Old Greenwich along the way.
Old Greenwich
2.7 mi in
|
~4m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 95 | 1.8 mi | 2m |
| East Putnam Avenue | 1.3 mi | 2m |
| Atlantic Street | 0.4 mi | <1m |
| Summer Street | 0.2 mi | <1m |
| Maplewood Drive | 0.2 mi | <1m |
| Strickland Road | <0.1 mi | <1m |
| Broad Street | <0.1 mi | <1m |
| Bank Street | <0.1 mi | <1m |
Longest stretch:
I 95
— 1.8 mi, about 2m
Turn-by-Turn Driving Directions
Step-by-step road directions between Stamford, CT and Cos Cob, CT.
1
Start on Atlantic Street
0.1 mi
·
17 sec
·
Atlantic Street
2
Turn left onto Broad Street
472 ft
·
29 sec
·
Broad Street
Use the straight / right lanes.
3
Turn left onto Summer Street
0.2 mi
·
22 sec
·
Summer Street
4
Turn slight left onto Bank Street
467 ft
·
9 sec
·
Bank Street
5
Turn right onto Atlantic Street
0.3 mi
·
32 sec
·
Atlantic Street
Use the left lane.
6
Take the ramp
0.2 mi
·
27 sec
Toward I 95 South: New York City
7
Merge onto I 95
1.8 mi
·
2 min
·
I 95
Use the straight / slight right lanes.
8
Take the exit
0.2 mi
·
34 sec
Exit 5
Toward US 1: Riverside, Old Greenwich
Use the straight / slight right lanes.
9
Turn slight left onto US 1
1.3 mi
·
2 min
·
East Putnam Avenue
Use the straight / right lanes.
10
Turn left onto Strickland Road
480 ft
·
22 sec
·
Strickland Road
11
Turn right onto Loughlin Avenue
387 ft
·
22 sec
·
Loughlin Avenue
12
Turn left onto Maplewood Drive
0.2 mi
·
36 sec
·
Maplewood Drive
13
Arrive at destination
Maplewood Drive
Fuel & Cost
Regular Gas
$0.72 one way
$1.45 round trip
$4.09/gal
25.4 MPG avg
2 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.50 | $0.80 | $1.59 |
| premium | $4.86 | $0.86 | $1.72 |
| diesel | $5.61 | $0.99 | $1.99 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$1
Estimated CO2 emission: 1.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $0 in charging · 0 stops · 50% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 1.3 | 0 | $0.47 | $0.22 |
| Efficient EV | 1.1 | 0 | $0.39 | $0.18 |
| EV Truck/SUV | 1.8 | 0 | $0.63 | $0.29 |
Gas CO2
2 kg
EV CO2
1 kg (50% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Cos Cob, CT
Morning in Cos Cob on Friday
Local time
6:40 AM
EDT
Current temp
45°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
8m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Stamford, CT to Cos Cob, CT covers 4.5 miles and takes about 8m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 95, East Putnam Avenue, Atlantic Street. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 2.3 miles from Stamford, CT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $0.72 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This drive requires moderate attention. Across 4.5 miles you will encounter 11 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 0.1 miles (Broad Street): Lane positioning matters here; at 0.5 miles (Atlantic Street): Lane positioning matters here; at 0.7 miles: Navigation decision point.
On the drive from Stamford, CT to Cos Cob, CT, road signs begin pointing toward Old Greenwich along the way.
Yes. Nearby national parks include Weir Farm National Historical Park.
How this page is built
Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. National park proximity is from the NPS API. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.
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