How far is Killingworth, CT from Stamford, CT?
The driving distance from Killingworth, CT to Stamford, CT is about 66.6 miles (107.2 km), with a travel time of about 01h 12m by car.
- The straight-line flight distance is about 54.9 miles (88.3 km).
- For a round trip, plan for roughly 02h 24m 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 12m.
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.
A city in New Haven County, Connecticut.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Killingworth and Stamford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Killingworth and Stamford.
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1
Start on the route
51 m · 14 sec
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2
At the end of the road, turn right
43 m · 13 sec
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3
Turn right onto Deep River Road
148 m · 9 sec · Deep River Road
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4
Enter the roundabout and take exit 2 toward North Branford Road
50 m · 3 sec · North Branford Road
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5
Exit the roundabout onto North Branford Road
2.8 mi · 4 min · North Branford Road
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6
Continue on Old Toll Road
1.3 mi · 2 min · Old Toll Road
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7
Enter the roundabout and take exit 2 toward Old Toll Road
101 m · 5 sec · Old Toll Road
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8
Exit the roundabout onto Old Toll Road
5.9 mi · 9 min · Old Toll Road
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9
Continue on Foxon Road
7.3 mi · 11 min · Foxon Road
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10
Continue on Foxon Boulevard
1.3 km · 2 min · Foxon Boulevard
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11
Continue on Middletown Avenue
149 m · 8 sec · Middletown Avenue
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12
Continue on Middletown Avenue
1.4 km · 1 min · Middletown Avenue
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13
Turn right onto Ferry Street
123 m · 14 sec · Ferry Street
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14
Turn left onto State Street
110 m · 9 sec · State Street
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15
Turn right onto Warren Place
18 m · 3 sec · Warren Place
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16
Take the ramp slight left toward I 91 South
1128 ft · 28 sec
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17
Merge slight left
1.8 mi · 3 min
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18
Merge slight left
39.2 mi · 54 min
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19
Take the exit slight right toward CT 137 North: Atlantic Street
1301 ft · 32 sec
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20
Turn straight onto North State Street
1424 ft · 48 sec · North State Street
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21
Turn right onto Atlantic Street
1744 ft · 39 sec · Atlantic Street
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22
Arrive at your destination
0 m · 1 sec · Atlantic Street
Car Route Details
A richer read on the saved driving route between Killingworth and Stamford.
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 91 South
Merge slight left
39.2 mi · 00h 54m
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 Killingworth and Mostly Sunny near Stamford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Killingworth to Stamford?
The road trip is about 66.6 miles (107.2 km) and usually takes 01h 12m 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?
Milford is a useful midpoint, sitting about 30.7 miles from Killingworth and 35.9 miles from Stamford.
How much longer is the road route than the straight-line distance?
The direct path is about 54.9 miles (88.3 km), while the road route adds roughly 11.7 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 4:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.27 one way or $18.54 round trip. Estimated CO2 is about 20.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Killingworth and Mostly Sunny near Stamford.
Stop Ideas Near Milford
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Milford.
Bridgeport
Union Station
Wallingford station
Meriden Transit Center
Flight Path Map
This map shows the direct air route between Killingworth and Stamford. Straight-line distance: 54.89 mi (88.33 km).
#1 Killingworth
Human settlement in Middlesex County, Connecticut, United States of America
| Population | 6,340 |
| Coordinates | 41.3581500, -72.5637000 |
| Altitude | 117 |
| Country | United States |
#2 Stamford
The second most populous city in Connecticut.
| Population | 131,397 |
| Coordinates | 41.0534300, -73.5387300 |
| Altitude | 7 |
| Country | United States |
End: Atlantic Street (-73.539324, 41.053444)
Estimated Travel Time
Distance: 107 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 13m |
| 40 mph (64.37 km/h) | 01h 39m |
| 50 mph (80.47 km/h) | 01h 19m |
| 60 mph (96.56 km/h) | 01h 06m |
| 70 mph (112.65 km/h) | 00h 57m |
| 80 mph (129 km/h) | 00h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $9.27 | $18.54 |
| Mid-grade | $4.46 | $10.47 | $20.95 |
| Premium | $4.86 | $11.42 | $22.83 |
| Diesel | $6.00 | $14.09 | $28.19 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.