How far is Groton, CT from Greenwich, CT?
The driving distance from Groton, CT to Greenwich, CT is about 94.1 miles (151.5 km), with a travel time of about 01h 40m by car.
- The straight-line flight distance is about 83.6 miles (134.6 km).
- For a round trip, plan for roughly 03h 20m 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 01h 40m.
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 New Haven County, Connecticut, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Groton and Greenwich.
Turn-by-Turn Driving Directions
Step-by-step road directions between Groton and Greenwich.
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1
Start on Smith Street
532 ft · 27 sec · Smith Street
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2
Turn right onto Allen Street
136 m · 24 sec · Allen Street
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3
Turn left onto Mitchell Street
2110 ft · 44 sec · Mitchell Street
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4
Continue on North Street
1569 ft · 35 sec · North Street
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5
Take the ramp straight
2603 ft · 1 min
-
6
Merge slight left
92.1 mi · 2 hr
-
7
Take the exit slight right toward Arch Street
791 ft · 29 sec
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8
Turn right onto Arch Street
757 ft · 20 sec · Arch Street
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9
Turn straight onto Sound View Drive
1145 ft · 23 sec · Sound View Drive
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10
Turn slight right onto Field Point Road
1187 ft · 28 sec · Field Point Road
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11
Turn right onto West Elm Street
16 m · 1 sec · West Elm Street
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12
Arrive at your destination
0 m · 1 sec · West Elm Street
Car Route Details
A richer read on the saved driving route between Groton and Greenwich.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
North Street
Merge slight left
92.1 mi · 02h 00m
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.
Slight Chance Rain Showers leaving Groton and Chance Rain Showers near Greenwich.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Groton to Greenwich?
The road trip is about 94.1 miles (151.5 km) and usually takes 01h 40m 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?
East Haven is a useful midpoint, sitting about 47 miles from Groton and 47.1 miles from Greenwich.
How much longer is the road route than the straight-line distance?
The direct path is about 83.6 miles (134.6 km), while the road route adds roughly 10.5 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 3:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.10 one way or $26.19 round trip. Estimated CO2 is about 29.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Groton and Chance Rain Showers near Greenwich.
Stop Ideas Near East Haven
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 East Haven.
Union Station
Wallingford station
Bridgeport
Meriden Transit Center
Flight Path Map
This map shows the direct air route between Groton and Greenwich. Straight-line distance: 83.64 mi (134.6 km).
#1 Groton
Town in Connecticut
| Population | 38,258 |
| Coordinates | 41.3501000, -72.0784100 |
| Altitude | 24 |
| Country | United States |
#2 Greenwich
Town in Fairfield County, Connecticut, United States
| Population | 62,769 |
| Coordinates | 41.0264900, -73.6284600 |
| Altitude | 28 |
| Country | United States |
End: West Elm Street (-73.628456, 41.026566)
Estimated Travel Time
Distance: 151 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 08m |
| 40 mph (64.37 km/h) | 02h 21m |
| 50 mph (80.47 km/h) | 01h 52m |
| 60 mph (96.56 km/h) | 01h 34m |
| 70 mph (112.65 km/h) | 01h 20m |
| 80 mph (129 km/h) | 01h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $13.10 | $26.19 |
| Mid-grade | $4.46 | $14.80 | $29.59 |
| Premium | $4.86 | $16.13 | $32.26 |
| Diesel | $6.00 | $19.91 | $39.82 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.