Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Sep 4, 2026 · Editorial standards
Drive Time
1h 29m
Distance
67.6 mi
109 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$11
one way
EV Charging
Good
8 stations
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Greenwich, CT
Wikimedia Commons
Plymouth, CT
cottonbro studio
Greenwich to Plymouth is 67.6 miles and takes about 1 hour 29 minutes via CT 8 and I 95, with a fuel budget near $11 and enough daylight to finish in a day. This relatively short trip stays within Connecticut, moving from the Northeast region to the Northeast region. Expect a predominantly highway experience, making it a straightforward and efficient drive. It's a good option if you're looking for a quick connection between these two points without a significant time commitment.
| Road | Distance | Duration |
|---|---|---|
| CT 8 | 39.1 mi | 49m |
| I 95 | 26.1 mi | 35m |
| East Main Street | 0.7 mi | <1m |
| US 6 | 0.2 mi | <1m |
| Field Point Road | 0.2 mi | <1m |
| Arch Street | 0.2 mi | <1m |
| Sound View Drive | 0.2 mi | <1m |
| West Elm Street | <0.1 mi | <1m |
Hour-of-day weekday pattern from 40 FHWA count stations on your route.
Peak
5 PM
~4,341 veh/hr typical
Quietest
2 AM
~657 veh/hr
Peak-to-quiet ratio
6.6×
busier at peak than in the quiet hours
Averaged across 5 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Step-by-step road directions between Greenwich, CT and Plymouth, CT.
Start on West Elm Street
Turn left onto Field Point Road
Turn slight left onto Sound View Drive
Continue on Arch Street
Take the ramp
Merge onto I 95
Take the exit
Continue on CT 8; CT 25
Keep slight right at fork onto CT 8
Continue on CT 8
Continue on CT 8
Take the exit onto US 6
Turn right onto US 6
Turn left onto North Street
Arrive at destination
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
34 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.
A short stop after about 15 miles helps settle the day before fatigue starts building.
The midpoint is around 33.8 miles from Greenwich, 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.
5 decision points cluster between mile 0 and 66.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn left onto Field Point Road
Lane positioning matters here
Take the ramp toward I 95 North: New Haven
Navigation decision point
Take the exit toward CT 25, CT 8: Trumbull, Waterbury
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight right at fork onto CT 8 toward CT 8 North: Waterbury, New Haven
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit onto US 6 toward US 6 East, CT 222: Thomaston, Bristol
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Regular Gas
$11.26 one way
$22.52 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.70 | $12.50 | $24.99 |
| premium | $5.07 | $13.48 | $26.97 |
| diesel | $5.60 | $14.90 | $29.80 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$11
Estimated CO2 emission: 23.7 kg one way. Prices: EIA weekly data, 2026-08-31.
Driving Electric?
About $7 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 20.3 | 0 | $7.10 | $3.24 |
| Efficient EV | 16.9 | 0 | $5.92 | $2.70 |
| EV Truck/SUV | 27 | 0 | $9.46 | $4.33 |
Gas CO2
24 kg
EV CO2
8 kg (67% 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.
Current conditions at both ends of the drive.
Origin
Late night in Greenwich on Friday
Local time
5:32 AM
EDT
Current temp
65°F
Cloudy
Destination
Late night in Plymouth on Friday
Local time
5:32 AM
EDT
Current temp
59°F
Chance Showers And Thunderstorms then Cloudy
60°F
Monroe, CT
34 mi in
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
This route is mostly highway, with 97% of the driving on high-speed roads. You'll experience a long stretch of 39.1 miles on CT 8 before encountering surface streets. Given the high highway share, anticipate a steady pace with frequent exits and merges as you navigate between major arteries.
This is a straightforward highway drive that stays mostly on CT 8 and I 95. You will hit about 10 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near Field Point Road.
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 67.6 miles you will encounter 10 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: near the start (Field Point Road): Lane positioning matters here; at 0.7 miles: Navigation decision point; at 27 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Mostly flat terrain
Total Climb
821 ft
Total Descent
230 ft
Highest Point
686 ft
~67.6 mi in
Elevation Range
652 ft
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Greenwich, CT and Plymouth, CT, road signs point toward Waterbury and New Haven.
Waterbury
New Haven
Founded 1640
Greenwich is a town of about 60,000 in Fairfield County, southwestern Connecticut. It is one of the wealthiest communities in America and is blessed with lush and beautiful scenery and many large and impressive houses.
Top landmarks
Founded 1795
Top landmarks
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Weekend Trip
Doable as a same-day drive at 1h 29m. Total distance: 67.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 29m 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.
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, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.
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