How far is Greenwich, CT from Fairfield, CT?
The driving distance from Greenwich, CT to Fairfield, CT is about 22.7 miles (36.6 km), with a travel time of about 00h 28m by car.
- The straight-line flight distance is about 20.6 miles (33.1 km).
- For a round trip, plan for roughly 00h 57m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 28m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Greenwich and Fairfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenwich and Fairfield.
-
1
Start on West Elm Street
16 m · 6 sec · West Elm Street
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2
Turn left onto Field Point Road
1187 ft · 26 sec · Field Point Road
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3
Turn slight left onto Sound View Drive
1145 ft · 23 sec · Sound View Drive
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4
Continue on Arch Street
1165 ft · 35 sec · Arch Street
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5
Take the ramp left toward I 95 North: New Haven
1220 ft · 30 sec
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6
Merge slight left
19.9 mi · 27 min
-
7
Take the exit slight right toward Center Street, Southport
1060 ft · 38 sec
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8
Continue on Rennell Drive
1579 ft · 27 sec · Rennell Drive
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9
Turn slight right onto Post Road
1.2 mi · 2 min · Post Road
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10
Arrive at your destination
0 m · 1 sec · Post Road
Car Route Details
A richer read on the saved driving route between Greenwich and Fairfield.
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.
I 95 North
Merge slight left
19.9 mi · 00h 27m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny near Greenwich.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greenwich to Fairfield?
The road trip is about 22.7 miles (36.6 km) and usually takes 00h 28m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Darien is a useful midpoint, sitting about 11.2 miles from Greenwich and 11.5 miles from Fairfield.
How much longer is the road route than the straight-line distance?
The direct path is about 20.6 miles (33.1 km), while the road route adds roughly 2.1 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:32 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.16 one way or $6.31 round trip. Estimated CO2 is about 7.1 kg one way.
What should you check before leaving?
Before leaving, the latest forecast around Greenwich is Mostly Sunny.
Stop Ideas Near Darien
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Norwalk City Hall parking
City of Norwalk, Connecticut
Town Hall
Old Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Darien.
Stamford Transportation Center
Bridgeport
New Rochelle station
Croton–Harmon station
Flight Path Map
This map shows the direct air route between Greenwich and Fairfield. Straight-line distance: 20.58 mi (33.12 km).
#1 Greenwich
Town in Fairfield County, Connecticut, United States
| Population | 62,769 |
| Coordinates | 41.0264900, -73.6284600 |
| Altitude | 28 |
| Country | United States |
#2 Fairfield
Town in Connecticut, United States of America
| Population | 62,215 |
| Coordinates | 41.1412100, -73.2637300 |
| Altitude | 10 |
| Country | United States |
End: Post Road (-73.263724, 41.141186)
Estimated Travel Time
Distance: 37 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 45m |
| 40 mph (64.37 km/h) | 00h 34m |
| 50 mph (80.47 km/h) | 00h 27m |
| 60 mph (96.56 km/h) | 00h 22m |
| 70 mph (112.65 km/h) | 00h 19m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $3.16 | $6.31 |
| Mid-grade | $4.46 | $3.57 | $7.13 |
| Premium | $4.86 | $3.89 | $7.77 |
| Diesel | $6.00 | $4.80 | $9.60 |
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.