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Trip from Thomaston, CT to Fairfield, CT

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

57m

Distance

44.8 mi

72 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$7

one way

EV Charging

Unknown

Best Time to Leave

Save up to 14 min
4 AM
0h 53m ★
6 AM
0h 58m
8 AM
1h 7m
10 AM
1h 1m
12 PM
1h 0m
3 PM
1h 1m
5 PM
1h 7m
8 PM
0h 55m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

town in Connecticut, United States

Thomaston, CT

Wikimedia Commons

Downtown Fairfield, CT, CT

Fairfield, CT

David Kanigan

Trip Overview

This 44.8-mile journey from Thomaston, CT to Fairfield, CT is a quick, highway-focused drive that can easily be completed in under an hour, making it an ideal day trip. With a fuel cost estimated at $7, it's an economical option for a short excursion within Connecticut. The primary roads you'll be on are US 6 and I 95, with the latter making up a significant 97% of the drive. This route is perfect for when you need to get from point A to point B efficiently, offering a straightforward path through the Northeast region.

Main Roads

Road Distance Duration
US 6 39.3 mi 48m
I 95 4.2 mi 5m
Mill Plain Road 0.3 mi <1m
East Main Street 0.2 mi <1m
Park Street 0.1 mi <1m
Elm Street <0.1 mi <1m
Post Road <0.1 mi <1m
Longest stretch: US 6 — 39.3 mi, about 48m

Turn-by-Turn Driving Directions

Step-by-step road directions between Thomaston, CT and Fairfield, CT.

1

Start on Park Street

0.1 mi · 24 sec · Park Street
2

At end of road, turn left onto Elm Street

451 ft · 12 sec · Elm Street
3

Turn right onto CT 222

0.2 mi · 27 sec · East Main Street
4

Take the ramp onto US 6

39 mi · 48 min · US 6
Toward US 6 West, CT 8 South: Waterbury Use the straight / slight right lanes.
5

Keep slight right at fork

0.3 mi · 42 sec
Toward I 95 South: New York City Use the slight right lane.
6

Merge onto I 95

4.2 mi · 5 min · I 95
Use the straight / slight right lanes.
7

Take the exit

0.3 mi · 41 sec
Exit 21 Toward Mill Plain Road Use the slight right lane.
8

Turn left onto Mill Plain Road

0.3 mi · 39 sec · Mill Plain Road
Use the straight / left lanes.
9

Turn right onto US 1

186 ft · 3 sec · Post Road
10

Arrive at destination

US 1

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

city in New Haven County, Connecticut, United States

Mid-route town

Meal stop

Ansonia, CT

22 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Waterbury, CT

Fuel and coffee

A short stop after about 10 miles helps settle the day before fatigue starts building.

Oxford, CT

Meal break

The midpoint is around 22.4 miles from Thomaston, CT, which is a good place for a longer meal and fuel stop.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Heads-up: tricky spots

5 of 8

5 decision points cluster between mile 0.1 and 44.2 — 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

At end of road, turn left onto Elm Street

Complex interchange - multiple decisions in a short stretch

8
0.4 mi into trip | ~1m in | US 6

Take the ramp onto US 6 toward US 6 West, CT 8 South: Waterbury

Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward US 6 West, CT 8 South: Waterbury
7
39.7 mi into trip | ~49m in

Keep slight right at fork toward I 95 South: New York City

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight right lane. Toward I 95 South: New York City
5
40 mi into trip | ~50m in | I 95

Merge onto I 95

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.
7
44.2 mi into trip | ~56m in

Take the exit toward Mill Plain Road

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Exit 21 Toward Mill Plain Road

Fuel & Cost

Regular Gas

$7.21 one way

$14.42 round trip

$4.09/gal 25.4 MPG avg 16 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.50 $7.94 $15.87
premium $4.86 $8.58 $17.16
diesel $5.61 $9.89 $19.78

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$7

Estimated CO2 emission: 15.7 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $5 in charging · 0 stops · 69% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 13.4 0 $4.70 $2.15
Efficient EV 11.2 0 $3.92 $1.79
EV Truck/SUV 17.9 0 $6.27 $2.87

Gas CO2

16 kg

EV CO2

5 kg (69% 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.

Forecast as of Apr 19, 2026

Origin

Thomaston, CT

Late night in Thomaston on Sunday

Local time

3:57 AM

EDT

Current temp

45°F

Cloudy then Chance Rain Showers

SE 7 mph 31% chance Live forecast

Destination

Fairfield, CT

Late night in Fairfield on Sunday

Local time

3:57 AM

EDT

Current temp

47°F

Areas Of Fog then Chance Rain Showers

SE 5 to 8 mph 42% chance 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

2 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

57m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

Expect a predominantly highway experience on this 44.8-mile route, with 97% of it being high-speed driving. The longest uninterrupted stretch you'll encounter is 39.3 miles on US 6, offering a consistent pace for a significant portion of your travel. While the majority of the drive is on major roadways like I 95, the initial and final segments might involve local roads like Mill Plain Road, providing a slight shift in scenery and speed. This profile suggests a drive focused on covering distance rather than leisurely exploration.

97% highway — fuel and pacing are the main things to plan.
10 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 39.3 mi on US 6.

How Hard Is This Drive?

5/10

This is a straightforward highway drive that stays mostly on US 6 and I 95. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.1 miles in near Elm Street.

Driving Effort 5/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 44.8 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 0.1 miles (Elm Street): Complex interchange - multiple decisions in a short stretch; at 0.4 miles (US 6): Lane positioning matters here. Multiple destination signs - pick the right one; at 39.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 57m. Total distance: 44.8 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

57m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (97%). Some complex stretches to watch for.

Frequently Asked Questions

The longest stretch is about 39.3 miles on US 6. The full list of main roads is in the Roads section above.

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): Complex interchange - multiple decisions in a short stretch; at 0.4 miles (US 6): Lane positioning matters here. Multiple destination signs - pick the right one; at 39.7 miles: Highway fork - watch signs carefully. 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 Fairfield, 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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