How far is Thomaston, CT from New Haven, CT?
The driving distance from Thomaston, CT to New Haven, CT is about 46.2 miles (74.4 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 26.3 miles (42.4 km).
- For a round trip, plan for roughly 01h 38m 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 00h 49m.
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 Connecticut, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Thomaston and New Haven.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thomaston and New Haven.
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1
Start on Park Street
665 ft · 24 sec · Park Street
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2
At the end of the road, turn left onto Elm Street
138 m · 13 sec · Elm Street
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3
Turn right onto East Main Street
950 ft · 28 sec · East Main Street
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4
Take the ramp sharp right toward US 6 West, CT 8 South: Waterbury
20.7 mi · 26 min
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5
Take the exit slight right toward CT 67: Seymour
1100 ft · 31 sec
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6
Keep slight left to continue on CT 67 East: Woodbridge
62 m · 12 sec
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7
Turn left onto New Haven Road
1.6 mi · 3 min · New Haven Road
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8
Continue on Seymour Road
2.5 mi · 5 min · Seymour Road
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9
Turn right onto Amity Road
3.4 mi · 5 min · Amity Road
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10
Continue on Whalley Avenue
2.9 mi · 5 min · Whalley Avenue
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11
Continue on Broadway
773 ft · 19 sec · Broadway
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12
Continue on Elm Street
1112 ft · 34 sec · Elm Street
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13
Turn right onto College Street
571 ft · 10 sec · College Street
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14
Arrive at your destination
0 m · 1 sec · College Street
Car Route Details
A richer read on the saved driving route between Thomaston and New Haven.
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.
US 6 West
Take the ramp sharp right toward US 6 West, CT 8 South: Waterbury
20.7 mi · 00h 26m
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.
Sunny leaving Thomaston and Sunny near New Haven.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thomaston to New Haven?
The road trip is about 46.2 miles (74.4 km) and usually takes 00h 49m 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?
Naugatuck is a useful midpoint, sitting about 16.1 miles from Thomaston and 30.1 miles from New Haven.
How much longer is the road route than the straight-line distance?
The direct path is about 26.3 miles (42.4 km), while the road route adds roughly 19.9 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 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.43 one way or $12.86 round trip. Estimated CO2 is about 14.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Thomaston and Sunny near New Haven.
Stop Ideas Near Naugatuck
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 Naugatuck.
Wallingford station
Meriden Transit Center
Union Station
Berlin
Flight Path Map
This map shows the direct air route between Thomaston and New Haven. Straight-line distance: 26.36 mi (42.43 km).
#1 Thomaston
Town in Connecticut, United States
| Population | 7,505 |
| Coordinates | 41.6739900, -73.0731600 |
| Altitude | 124 |
| Country | United States |
#2 New Haven
The second most populous city in Connecticut.
| Population | 130,801 |
| Coordinates | 41.3081500, -72.9281600 |
| Altitude | 18 |
| Country | United States |
End: College Street (-72.928063, 41.308109)
Estimated Travel Time
Distance: 74 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 32m |
| 40 mph (64.37 km/h) | 01h 09m |
| 50 mph (80.47 km/h) | 00h 55m |
| 60 mph (96.56 km/h) | 00h 46m |
| 70 mph (112.65 km/h) | 00h 39m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $6.43 | $12.86 |
| Mid-grade | $4.46 | $7.26 | $14.53 |
| Premium | $4.86 | $7.92 | $15.84 |
| Diesel | $6.00 | $9.78 | $19.55 |
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 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.