Origin
New Haven, CT
Late night in New Haven on Tuesday
Local time
4:07 AM
EDT
Current temp
43°F
Unavailable
Live forecast
Trip from New Haven, CT to Killingworth, CT
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
33m
Distance
21.3 mi
34 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$3
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 31m
★
6 AM
0h 34m
8 AM
0h 40m
10 AM
0h 36m
12 PM
0h 35m
3 PM
0h 36m
5 PM
0h 39m
8 PM
0h 32m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
New Haven, CT
Wikimedia Commons
Killingworth, CT
Wikimedia Commons
Trip Overview
If you are planning a quick excursion from New Haven to Killingworth, you will be covering a short 21.3-mile distance. Expect to spend about 33 minutes behind the wheel, making this an ideal day trip that requires no overnight stops. Your path takes you through the heart of the Northeast, primarily utilizing local roads like Elm Street and State Street before transitioning onto I-91 North. With a fuel cost estimate of just $3, this is an incredibly budget-friendly journey. Because the route is so compact, you have total flexibility to head out whenever it fits your schedule without needing to worry about complex logistics or refueling strategies.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Old Toll Road | 7.3 mi | 10m |
| Foxon Road | 7.3 mi | 11m |
| North Branford Road | 2.8 mi | 4m |
| I 91 | 1.4 mi | 2m |
| Foxon Boulevard | 0.7 mi | 1m |
| Elm Street | 0.3 mi | <1m |
| State Street | 0.3 mi | <1m |
| Deep River Road | 0.1 mi | <1m |
Longest stretch:
Old Toll Road
— 7.3 mi, about 10m
Turn-by-Turn Driving Directions
Step-by-step road directions between New Haven, CT and Killingworth, CT.
1
Start on College Street
0.1 mi
·
13 sec
·
College Street
2
Turn right onto Elm Street
0.3 mi
·
44 sec
·
Elm Street
Use the straight / right lanes.
3
Turn left onto State Street
0.3 mi
·
30 sec
·
State Street
Use the left lane.
4
Take the ramp
0.6 mi
·
1 min
Toward I 91 North: Hartford
5
Merge onto I 91
1.4 mi
·
2 min
·
I 91
Use the straight / slight left lanes.
6
Take the exit
0.1 mi
·
16 sec
Exit 8
Toward CT 17, CT 80: North Branford
Use the slight right lane.
7
Keep slight right at fork
490 ft
·
11 sec
Toward CT 80 East: North Branford
8
Turn straight onto CT 80
0.7 mi
·
1 min
·
Foxon Boulevard
Use the straight lane.
9
Continue on CT 80
7.3 mi
·
11 min
·
Foxon Road
Use the straight / right lanes.
10
Continue on CT 80
5.9 mi
·
8 min
·
Old Toll Road
11
Enter roundabout onto CT 80
326 ft
·
5 sec
·
Old Toll Road
12
Continue on CT 80
1.3 mi
·
1 min
·
Old Toll Road
13
Continue on CT 80
2.8 mi
·
4 min
·
North Branford Road
14
Enter roundabout onto CT 80
148 ft
·
2 sec
·
Deep River Road
15
Continue on CT 80
481 ft
·
14 sec
·
Deep River Road
16
Turn left
140 ft
·
15 sec
17
Turn left
166 ft
·
12 sec
18
Arrive at destination
Heads-up: tricky spots
5 of 125 decision points cluster between mile 0.1 and 2.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.1 mi into trip
|
~0m in
|
Elm Street
Turn right onto Elm Street
Lane positioning matters here
Use the straight / right lanes.
5
0.5 mi into trip
|
~0m in
|
State Street
Turn left onto State Street
Lane positioning matters here
Use the left lane.
5
1.4 mi into trip
|
~2m in
|
I 91
Merge onto I 91
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight left lanes.
8
2.8 mi into trip
|
~4m in
Take the exit toward CT 17, CT 80: North Branford
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 8
Toward CT 17, CT 80: North Branford
6
2.9 mi into trip
|
~5m in
Keep slight right at fork toward CT 80 East: North Branford
Highway fork - watch signs carefully
Toward CT 80 East: North Branford
Fuel & Cost
Regular Gas
$3.43 one way
$6.86 round trip
$4.09/gal
25.4 MPG avg
8 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.50 | $3.77 | $7.55 |
| premium | $4.86 | $4.08 | $8.16 |
| diesel | $5.61 | $4.70 | $9.41 |
Estimated Tolls: $0.51
Old Toll Road
(7.3 mi)
$0.51
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Drive Cost (one way)
Fuel
$3
Tolls
$1
Total
$4
Estimated CO2 emission: 7.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 71% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 6.4 | 0 | $2.24 | $1.02 |
| Efficient EV | 5.3 | 0 | $1.86 | $0.85 |
| EV Truck/SUV | 8.5 | 0 | $2.98 | $1.36 |
Gas CO2
7 kg
EV CO2
2 kg (71% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Killingworth, CT
Late night in Killingworth on Tuesday
Local time
4:07 AM
EDT
Current temp
43°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
33m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
This trip is defined by a turn-heavy, local-road profile that demands your full attention. You won't find a monotonous interstate grind here, as the highway share is 0%, meaning you will be navigating surface streets for the entire duration of the trip. The transition from the urban environment of New Haven into the more localized roads leading toward Killingworth changes the rhythm of your drive significantly. Be prepared for frequent adjustments as you navigate the turns that characterize this 33-minute commute. Without any long, uninterrupted highway stretches to rely on, your focus will stay engaged on the immediate road conditions throughout the 21.3 miles.
Only 7% highway — the rest is turn-by-turn surface driving.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 7.3 mi on Old Toll Road.
How Hard Is This Drive?
7/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Elm Street.
Driving Effort
7/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 12 decision points packed into just 21.3 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 33m.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Elm Street): Lane positioning matters here; at 0.5 miles (State Street): Lane positioning matters here; at 1.4 miles (I 91): Merge point - match speed before joining. Lane positioning matters here.
About the Cities
Starting in New Haven, CT
Full guide →New Haven is a city in Connecticut that is best known as the home of Yale University.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 33m. Total distance: 21.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
33m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 7.3 miles on Old Toll Road. The full list of main roads is in the Roads section above.
Expect about $0.51 in tolls one way, starting with Old Toll Road. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Killingworth, CT before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.1 miles (Elm Street): Lane positioning matters here; at 0.5 miles (State Street): Lane positioning matters here; at 1.4 miles (I 91): Merge point - match speed before joining. Lane positioning matters here.
Yes — Weir Farm National Historical Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Killingworth, CT before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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