How far is Newtown, CT from Cos Cob, CT?
The driving distance from Newtown, CT to Cos Cob, CT is about 37.3 miles (60 km), with a travel time of about 01h 06m by car.
- The straight-line flight distance is about 30.4 miles (49 km).
- For a round trip, plan for roughly 02h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
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 06m.
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 Fairfield County, Connecticut, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Newtown and Cos Cob.
Turn-by-Turn Driving Directions
Step-by-step road directions between Newtown and Cos Cob.
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1
Start on Queen Street
13 m · 8 sec · Queen Street
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2
Continue on Queen Street
1.5 km · 2 min · Queen Street
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3
At the end of the road, turn right onto Mile Hill Road
601 ft · 22 sec · Mile Hill Road
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4
Turn left onto South Main Street
6.2 mi · 12 min · South Main Street
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5
Turn right onto Easton Road
2714 ft · 56 sec · Easton Road
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6
Continue on Stepney Road
3.7 mi · 6 min · Stepney Road
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7
Continue on Westport Road
4.4 mi · 9 min · Westport Road
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8
Continue on Westport Easton Turnpike
1.5 mi · 3 min · Westport Easton Turnpike
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9
Continue on Easton Road
2.4 mi · 5 min · Easton Road
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10
Continue on Main Street
1.4 km · 2 min · Main Street
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11
Turn right onto Canal Street
1227 ft · 27 sec · Canal Street
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12
Continue on Kings Highway North
850 ft · 20 sec · Kings Highway North
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13
Turn left onto Wilton Road
2174 ft · 45 sec · Wilton Road
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14
Continue on Riverside Avenue
1.2 mi · 2 min · Riverside Avenue
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15
Continue on Saugatuck Avenue
1358 ft · 34 sec · Saugatuck Avenue
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16
Take the ramp right toward I 95 South: New York City
1755 ft · 1 min
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17
Merge slight left
12.2 mi · 17 min
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18
Take the exit slight right toward US 1: Riverside, Old Greenwich
956 ft · 35 sec
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19
Turn slight left onto East Putnam Avenue
1.3 mi · 2 min · East Putnam Avenue
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20
Turn left onto Strickland Road
146 m · 23 sec · Strickland Road
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21
Turn right onto Loughlin Avenue
118 m · 23 sec · Loughlin Avenue
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22
Turn left onto Maplewood Drive
817 ft · 36 sec · Maplewood Drive
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23
Arrive at your destination
0 m · 1 sec · Maplewood Drive
Car Route Details
A richer read on the saved driving route between Newtown and Cos Cob.
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.
I 95 South
Merge slight left
12.2 mi · 00h 17m
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 leaving Newtown and Mostly Sunny near Cos Cob.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Newtown to Cos Cob?
The road trip is about 37.3 miles (60 km) and usually takes 01h 06m 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?
Weston is a useful midpoint, sitting about 18.6 miles from Newtown and 18.6 miles from Cos Cob.
How much longer is the road route than the straight-line distance?
The direct path is about 30.4 miles (49 km), while the road route adds roughly 6.9 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 EST. If you want a more comfortable same-day return, try to leave by 4:16 PM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.50 one way or $11.00 round trip. Estimated CO2 is about 11.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Newtown and Mostly Sunny near Cos Cob.
Stop Ideas Near Weston
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 Weston.
Bridgeport
Stamford Transportation Center
Union Station
Croton–Harmon station
Flight Path Map
This map shows the direct air route between Newtown and Cos Cob. Straight-line distance: 30.47 mi (49.03 km).
#1 Newtown
Town in Connecticut, United States
| Population | 1,953 |
| Coordinates | 41.4139800, -73.3034500 |
| Altitude | 145 |
| 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: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.17 | $5.50 | $11.00 |
| Mid-grade | $4.85 | $6.40 | $12.80 |
| Premium | $5.26 | $6.95 | $13.89 |
| Diesel | $6.37 | $8.40 | $16.80 |
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 · Nov 08, 2026