How far is Greenwich, CT from Killingworth, CT?
The driving distance from Greenwich, CT to Killingworth, CT is about 66.9 miles (107.6 km), with a travel time of about 01h 36m by car.
- The straight-line flight distance is about 59.9 miles (96.4 km).
- For a round trip, plan for roughly 03h 12m 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 36m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
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 Greenwich and Killingworth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenwich and Killingworth.
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1
Start on West Elm Street
16 m · 6 sec · West Elm Street
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2
Turn left onto Field Point Road
1187 ft · 26 sec · Field Point Road
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3
Turn slight left onto Sound View Drive
1145 ft · 23 sec · Sound View Drive
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4
Continue on Arch Street
1165 ft · 35 sec · Arch Street
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5
Take the ramp left toward I 95 North: New Haven
1220 ft · 30 sec
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6
Merge slight left
44.6 mi · 1 hr 1 min
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7
Take the exit slight right toward I 91 North: Hartford
1 km · 1 min
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8
Continue straight
2.2 mi · 3 min
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9
Take the exit slight right toward CT 17, CT 80: North Branford
680 ft · 17 sec
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10
Keep slight right to continue on CT 80 East: North Branford
149 m · 12 sec
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11
Turn straight onto Foxon Boulevard
1.2 km · 2 min · Foxon Boulevard
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12
Continue on Foxon Road
7.3 mi · 11 min · Foxon Road
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13
Continue on Old Toll Road
5.9 mi · 9 min · Old Toll Road
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14
Enter the roundabout and take exit 2 toward Old Toll Road
100 m · 5 sec · Old Toll Road
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15
Exit the roundabout onto Old Toll Road
1.3 mi · 2 min · Old Toll Road
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16
Continue on North Branford Road
2.8 mi · 4 min · North Branford Road
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17
Enter the roundabout and take exit 2 toward Deep River Road
45 m · 3 sec · Deep River Road
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18
Exit the roundabout onto Deep River Road
147 m · 14 sec · Deep River Road
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19
Turn left
43 m · 15 sec
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20
Turn left
51 m · 12 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Greenwich and Killingworth.
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 North
Merge slight left
44.6 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.
Mostly Sunny leaving Greenwich and Mostly Sunny near Killingworth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greenwich to Killingworth?
The road trip is about 66.9 miles (107.6 km) and usually takes 01h 36m 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 Greenwich and 33.5 miles from Killingworth.
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 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 3:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.31 one way or $18.62 round trip. Estimated CO2 is about 21 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Greenwich and Mostly Sunny near Killingworth.
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 Greenwich and Killingworth. Straight-line distance: 59.91 mi (96.42 km).
#1 Greenwich
Town in Fairfield County, Connecticut, United States
| Population | 62,769 |
| Coordinates | 41.0264900, -73.6284600 |
| Altitude | 28 |
| Country | United States |
#2 Killingworth
Human settlement in Middlesex County, Connecticut, United States of America
| Population | 6,340 |
| Coordinates | 41.3581500, -72.5637000 |
| Altitude | 117 |
| Country | United States |
End: Killingworth (-72.5637, 41.35815)
Estimated Travel Time
Distance: 108 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 13m |
| 40 mph (64.37 km/h) | 01h 40m |
| 50 mph (80.47 km/h) | 01h 20m |
| 60 mph (96.56 km/h) | 01h 06m |
| 70 mph (112.65 km/h) | 00h 57m |
| 80 mph (129 km/h) | 00h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $9.31 | $18.62 |
| Mid-grade | $4.46 | $10.52 | $21.04 |
| Premium | $4.86 | $11.46 | $22.93 |
| Diesel | $6.00 | $14.15 | $28.31 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.