How far is New Haven, CT from Cos Cob, CT?
The driving distance from New Haven, CT to Cos Cob, CT is about 43.6 miles (70.1 km), with a travel time of about 01h 03m by car.
- The straight-line flight distance is about 39.8 miles (64 km).
- For a round trip, plan for roughly 02h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
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 01h 03m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in Connecticut, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between New Haven and Cos Cob.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Haven and Cos Cob.
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1
Start on College Street
2487 ft · 54 sec · College Street
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2
Turn slight right onto Congress Avenue
817 ft · 25 sec · Congress Avenue
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3
Turn left onto Howard Avenue
754 ft · 15 sec · Howard Avenue
-
4
Turn right onto Washington Avenue
655 ft · 16 sec · Washington Avenue
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5
Turn right onto Columbus Avenue
147 m · 16 sec · Columbus Avenue
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6
Turn left onto Washington Avenue
1 km · 1 min · Washington Avenue
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7
Continue on Spring Street
1.4 km · 2 min · Spring Street
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8
At the end of the road, turn left onto Campbell Avenue
636 ft · 15 sec · Campbell Avenue
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9
Take the ramp right toward I 95 South: New York City
1459 ft · 36 sec
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10
Merge slight left
38.9 mi · 53 min
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11
Take the exit slight right toward US 1: Riverside, Old Greenwich
956 ft · 35 sec
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12
Turn slight left onto East Putnam Avenue
1.3 mi · 2 min · East Putnam Avenue
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13
Turn left onto Strickland Road
146 m · 23 sec · Strickland Road
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14
Turn right onto Loughlin Avenue
118 m · 23 sec · Loughlin Avenue
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15
Turn left onto Maplewood Drive
817 ft · 36 sec · Maplewood Drive
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16
Arrive at your destination
0 m · 1 sec · Maplewood Drive
Car Route Details
A richer read on the saved driving route between New Haven and Cos Cob.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 95 South
Merge slight left
38.9 mi · 00h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny then Chance Showers And Thunderstorms leaving New Haven 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 New Haven to Cos Cob?
The road trip is about 43.6 miles (70.1 km) and usually takes 01h 03m 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?
Fairfield is a useful midpoint, sitting about 21.7 miles from New Haven and 21.8 miles from Cos Cob.
How much longer is the road route than the straight-line distance?
The direct path is about 39.8 miles (64 km), while the road route adds roughly 3.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.08 one way or $12.15 round trip. Estimated CO2 is about 13.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around New Haven and Slight Chance Rain Showers near Cos Cob.
Stop Ideas Near Fairfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Norwalk City Hall parking
Bridgeport City Hall
Town Hall
City Hall Visitor Parking
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fairfield.
Bridgeport
Stamford Transportation Center
Union Station
New Rochelle station
Flight Path Map
This map shows the direct air route between New Haven and Cos Cob. Straight-line distance: 39.74 mi (63.96 km).
#1 New Haven
The second most populous city in Connecticut.
| Population | 130,801 |
| Coordinates | 41.3081500, -72.9281600 |
| Altitude | 18 |
| Country | United States |
#2 Cos Cob
Cos Cob is a place in Connecticut, United States.
| Population | 0 |
| Coordinates | 41.0334300, -73.5995700 |
| Altitude | 15 |
| Country | United States |
End: Cos Cob (-73.59957, 41.03343)
Estimated Travel Time
Distance: 70 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 27m |
| 40 mph (64.37 km/h) | 01h 05m |
| 50 mph (80.47 km/h) | 00h 52m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $6.08 | $12.15 |
| Mid-grade | $4.46 | $6.86 | $13.73 |
| Premium | $4.86 | $7.48 | $14.96 |
| Diesel | $6.00 | $9.24 | $18.47 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.