How far is Killingworth, CT from Greenwich, CT?
The driving distance from Killingworth, CT to Greenwich, CT is about 72 miles (115.9 km), with a travel time of about 01h 18m by car.
- The straight-line flight distance is about 59.9 miles (96.4 km).
- For a round trip, plan for roughly 02h 36m 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 18m.
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.
Slight Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Killingworth and Greenwich.
Turn-by-Turn Driving Directions
Step-by-step road directions between Killingworth and Greenwich.
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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
44.7 mi · 1 hr 1 min
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19
Take the exit slight right toward Arch Street
791 ft · 29 sec
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20
Turn right onto Arch Street
757 ft · 20 sec · Arch Street
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21
Turn straight onto Sound View Drive
1145 ft · 23 sec · Sound View Drive
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22
Turn slight right onto Field Point Road
1187 ft · 28 sec · Field Point Road
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23
Turn right onto West Elm Street
16 m · 1 sec · West Elm Street
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24
Arrive at your destination
0 m · 1 sec · West Elm Street
Car Route Details
A richer read on the saved driving route between Killingworth and Greenwich.
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
44.7 mi · 01h 01m
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.
Slight Chance Rain Showers leaving Killingworth and Chance Rain Showers near Greenwich.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Killingworth to Greenwich?
The road trip is about 72 miles (115.9 km) and usually takes 01h 18m 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 33.4 miles from Killingworth and 38.6 miles from Greenwich.
How much longer is the road route than the straight-line distance?
The direct path is about 59.9 miles (96.4 km), while the road route adds roughly 12.1 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 3:54 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.02 one way or $20.04 round trip. Estimated CO2 is about 22.6 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Killingworth and Chance Rain Showers near Greenwich.
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 Greenwich. Straight-line distance: 59.91 mi (96.42 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 Greenwich
Town in Fairfield County, Connecticut, United States
| Population | 62,769 |
| Coordinates | 41.0264900, -73.6284600 |
| Altitude | 28 |
| Country | United States |
End: West Elm Street (-73.628456, 41.026566)
Estimated Travel Time
Distance: 116 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 23m |
| 40 mph (64.37 km/h) | 01h 48m |
| 50 mph (80.47 km/h) | 01h 26m |
| 60 mph (96.56 km/h) | 01h 11m |
| 70 mph (112.65 km/h) | 01h 01m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $10.02 | $20.04 |
| Mid-grade | $4.46 | $11.32 | $22.64 |
| Premium | $4.86 | $12.34 | $24.68 |
| Diesel | $6.00 | $15.23 | $30.46 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.