How far is Killingworth, CT from Danbury, CT?
The driving distance from Killingworth, CT to Danbury, CT is about 66.7 miles (107.3 km), with a travel time of about 01h 18m by car.
- The straight-line flight distance is about 46.2 miles (74.4 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.
Town in New Haven County, Connecticut, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Killingworth and Danbury.
Turn-by-Turn Driving Directions
Step-by-step road directions between Killingworth and Danbury.
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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 1 toward Durham Road
3 m · 1 sec · Durham Road
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8
Exit the roundabout onto Durham Road
5.5 mi · 9 min · Durham Road
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9
Continue on North Madison Road
2.6 mi · 5 min · North Madison Road
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10
Turn slight right onto Main Street
1.4 mi · 4 min · Main Street
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11
Turn left onto Middlefield Road
1.5 km · 2 min · Middlefield Road
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12
Continue on Main Street
1.8 mi · 4 min · Main Street
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13
Turn left onto Baileyville Road
2.3 mi · 4 min · Baileyville Road
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14
Turn left onto Meriden Road
2 mi · 3 min · Meriden Road
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15
Continue straight
7.8 mi · 9 min
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16
Keep slight left to continue on I 84 West: Waterbury
1 mi · 1 min
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17
Merge slight left
34.6 mi · 42 min
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18
Take the exit slight right toward CT 39, CT 53: Downtown Danbury, Bethel
545 ft · 18 sec
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19
Turn right onto North Main Street
1.5 km · 2 min · North Main Street
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20
Turn right onto Library Place
71 m · 10 sec · Library Place
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21
Arrive at your destination
0 m · 1 sec · Library Place
Car Route Details
A richer read on the saved driving route between Killingworth and Danbury.
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 84 West
Merge slight left
34.6 mi · 00h 42m
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 Rain Showers Likely near Danbury.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Killingworth to Danbury?
The road trip is about 66.7 miles (107.3 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?
Prospect is a useful midpoint, sitting about 32.7 miles from Killingworth and 34 miles from Danbury.
How much longer is the road route than the straight-line distance?
The direct path is about 46.2 miles (74.4 km), while the road route adds roughly 20.5 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 $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 Slight Chance Rain Showers around Killingworth and Rain Showers Likely near Danbury.
Stop Ideas Near Prospect
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 Prospect.
Wallingford station
Meriden Transit Center
Berlin
Union Station
Flight Path Map
This map shows the direct air route between Killingworth and Danbury. Straight-line distance: 46.23 mi (74.4 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 Danbury
The most populous city in Fairfield County, Connecticut.
| Population | 84,317 |
| Coordinates | 41.3948200, -73.4540100 |
| Altitude | 121 |
| Country | United States |
End: Library Place (-73.45414, 41.394951)
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 40m |
| 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 · 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.