How far is New Haven, CT from Thomaston, CT?

The driving distance from New Haven, CT to Thomaston, CT is about 32.3 miles (52 km), with a travel time of about 00h 46m by car.

  • The straight-line flight distance is about 26.3 miles (42.4 km).
  • For a round trip, plan for roughly 01h 33m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
32.31 mi
00h 46m
Flight
26.36 mi
42.43 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from New Haven.

Flight Distance

Direct air line
26.36 mi
Kilometers
42.43 km
Flight Time
00h 03m

Driving Distance

Road route
32.31 mi
Kilometers
51.99 km
Drive Time
00h 46m

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 46m.

Arrival Snapshot
Arrive in Thomaston
Tue, May 12, 8:44 PM EDT
Return by in New Haven
Tue, May 12, 9:31 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave New Haven
2026-05-12T19:57
Arrive Thomaston
Tue, May 12, 8:44 PM EDT
Route Timing
00h 46m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:47 AM to 10:47 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:56 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in New Haven
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Naugatuck
CT

Town in Connecticut, United States

From New Haven
16.2 mi
00h 23m
To Thomaston
16.2 mi
00h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
New Haven Weather
CT
Live fallback forecast
61°F
Tuesday
Using Hamden as the closest live forecast in the New Haven County weather hub.

Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
6 to 9 mph NW
Destination
63°F
Today

Sunny

Starts
Tue, May 12 11:00 AM EDT
Wind
7 mph NW

Driving Route Map

The map below follows the saved road route between New Haven and Thomaston.

Turn-by-Turn Driving Directions

Step-by-step road directions between New Haven and Thomaston.

  1. 1

    Start on College Street

    1498 ft · 30 sec · College Street

  2. 2

    Turn left onto Grove Street

    904 ft · 17 sec · Grove Street

  3. 3

    Continue on Tower Parkway

    1329 ft · 30 sec · Tower Parkway

  4. 4

    Turn slight right onto Whalley Avenue

    2.8 mi · 5 min · Whalley Avenue

  5. 5

    Continue on Amity Road

    3.4 mi · 5 min · Amity Road

  6. 6

    Turn left onto Seymour Road

    2.5 mi · 4 min · Seymour Road

  7. 7

    Continue on New Haven Road

    1.5 mi · 3 min · New Haven Road

  8. 8

    Take the ramp slight right

    1107 ft · 27 sec

  9. 9

    Merge slight left

    10.6 mi · 12 min

  10. 10

    Continue on I 84 East: Hartford

    2109 ft · 1 min

  11. 11

    Continue on I 84 West: Danbury

    9.5 mi · 12 min

  12. 12

    Take the exit slight right toward US 6 East, CT 222: Thomaston, Bristol

    1238 ft · 42 sec

  13. 13

    Turn left onto East Main Street

    2329 ft · 57 sec · East Main Street

  14. 14

    Turn sharp left onto Park Street

    12 m · 1 sec · Park Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · Park Street

Car Route Details

A richer read on the saved driving route between New Haven and Thomaston.

OSRM road route
Drive Character

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.

Directions
15 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
46.4 / 100 mi
Decision points by distance
Main Roads
New Haven Road
12.3 mi · 38%
I 84 West
9.46 mi · 29%
Amity Road
3.4 mi · 11%
Whalley Avenue
2.82 mi · 9%
Seymour Road
2.53 mi · 8%
East Main Street
0.44 mi · 1%
Longest Stretch

New Haven Road

Merge slight left

10.6 mi · 00h 12m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 46m
Day trip friendly
Same-Day Return
01h 34m
Round-trip wheel time
Road vs Air
+6 mi
26.3 mi direct line
Halfway Stop
Naugatuck
00h 23m from New Haven
Leave By
4:56 PM EDT
Morning start is best
Weather Watch

Sunny leaving New Haven and Sunny near Thomaston.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from New Haven to Thomaston?

The road trip is about 32.3 miles (52 km) and usually takes 00h 46m 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 16.2 miles from New Haven and 16.2 miles from Thomaston.

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 6 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 4:56 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.50 one way or $8.99 round trip. Estimated CO2 is about 10.1 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around New Haven and Sunny near Thomaston.

Stop Ideas Near Naugatuck

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Naugatuck, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Naugatuck.

RAIL

Wallingford station

19 mi away
37 Hall Avenue
RAIL

Meriden Transit Center

22 mi away
60 State Street
RAIL

Union Station

23 mi away
50 Union Avenue
RAIL

Berlin

29 mi away
51 Depot Road

Flight Path Map

This map shows the direct air route between New Haven and Thomaston. Straight-line distance: 26.36 mi (42.43 km).

New Haven

#1 New Haven

The second most populous city in Connecticut.

Population130,801
Coordinates41.3081500, -72.9281600
Altitude18
CountryUnited States
Thomaston

#2 Thomaston

Town in Connecticut, United States

Population7,505
Coordinates41.6739900, -73.0731600
Altitude124
CountryUnited States
Start: New Haven (-72.92816, 41.30815)
End: Thomaston (-73.07316, 41.67399)

Estimated Travel Time

Distance: 52 km by road

SpeedTime
30 mph (48.3 km/h)01h 04m
40 mph (64.37 km/h)00h 48m
50 mph (80.47 km/h)00h 38m
60 mph (96.56 km/h)00h 32m
70 mph (112.65 km/h)00h 27m
80 mph (129 km/h)00h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.14 gal
4.32 L · about $4.50
Round trip
$8.99
2.28 gal · 8.64 L
Estimated CO2
10.1 kg one way
Round trip: 20.3 kg / 45 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $4.50 $8.99
Mid-grade $4.46 $5.08 $10.16
Premium $4.86 $5.54 $11.08
Diesel $6.00 $6.84 $13.67

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

There is no time difference between New Haven and Thomaston. The current time is 19:57:30.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.