How far is Thompson, CT from Greenwich, CT?
The driving distance from Thompson, CT to Greenwich, CT is about 137.5 miles (221.3 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 111.8 miles (179.9 km).
- For a round trip, plan for roughly 04h 28m 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 02h 14m.
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.
Slight Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Thompson and Greenwich.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thompson and Greenwich.
-
1
Start on Thompson Road
22 m · 7 sec · Thompson Road
-
2
Turn right onto Thompson Hill Road
1.2 km · 2 min · Thompson Hill Road
-
3
Take the ramp left
920 ft · 23 sec
-
4
Continue straight
109 m · 9 sec
-
5
Merge slight left
50 mi · 55 min
-
6
Merge slight left
85.7 mi · 1 hr 51 min
-
7
Take the exit slight right toward Arch Street
791 ft · 29 sec
-
8
Turn right onto Arch Street
757 ft · 20 sec · Arch Street
-
9
Turn straight onto Sound View Drive
1145 ft · 23 sec · Sound View Drive
-
10
Turn slight right onto Field Point Road
1187 ft · 28 sec · Field Point Road
-
11
Turn right onto West Elm Street
16 m · 1 sec · West Elm Street
-
12
Arrive at your destination
0 m · 1 sec · West Elm Street
Car Route Details
A richer read on the saved driving route between Thompson 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.
Thompson Hill Road
Merge slight left
85.7 mi · 01h 51m
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 Thompson 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 Thompson to Greenwich?
The road trip is about 137.5 miles (221.3 km) and usually takes 02h 14m 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?
Westbrook is a useful midpoint, sitting about 68.7 miles from Thompson and 68.8 miles from Greenwich.
How much longer is the road route than the straight-line distance?
The direct path is about 111.8 miles (179.9 km), while the road route adds roughly 25.7 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 2:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.13 one way or $38.27 round trip. Estimated CO2 is about 43.1 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Thompson and Chance Rain Showers near Greenwich.
Stop Ideas Near Westbrook
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 Westbrook.
Old Saybrook station
New London Union Station
Wallingford station
Union Station
Flight Path Map
This map shows the direct air route between Thompson and Greenwich. Straight-line distance: 111.8 mi (179.93 km).
#1 Thompson
Town in Windham County, Connecticut, United States
| Population | 9,371 |
| Coordinates | 41.9587100, -71.8625700 |
| Altitude | 181 |
| 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: 221 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 34m |
| 40 mph (64.37 km/h) | 03h 26m |
| 50 mph (80.47 km/h) | 02h 45m |
| 60 mph (96.56 km/h) | 02h 17m |
| 70 mph (112.65 km/h) | 01h 57m |
| 80 mph (129 km/h) | 01h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $19.13 | $38.27 |
| Mid-grade | $4.46 | $21.62 | $43.23 |
| Premium | $4.86 | $23.56 | $47.12 |
| Diesel | $6.00 | $29.09 | $58.17 |
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.