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Trip from Monroe, CT to Greenwich, CT

Last recalculated Apr 16, 2026

Drive Time

56m

Distance

40.1 mi

65 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$6

one way

EV Charging

Unknown

Best Time to Leave

Save up to 13 min
4 AM
0h 52m ★
6 AM
0h 56m
8 AM
1h 5m
10 AM
0h 59m
12 PM
0h 58m
3 PM
1h 0m
5 PM
1h 5m
8 PM
0h 53m

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

town in Fairfield County, Connecticut, United States

Monroe, CT

Wikimedia Commons

Downtown Greenwich, CT, CT

Greenwich, CT

Wikimedia Commons

Trip Overview

The drive from Monroe, CT to Greenwich, CT covers 40.1 miles and takes about 56m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 95, CT 25, Monroe Turnpike for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 26.1 miles on I 95. At current regular gas prices, budget about $6.46 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 56m. Total distance: 40.1 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

56m 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.

Drive Character

This is a 56m highway drive covering 40.1 miles, with most of the trip on I 95 and CT 25. The longest continuous stretch is about 26.1 miles on I 95.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 13 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 95 is the longest continuous segment at about 26.1 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on I 95 and CT 25. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near CT 111 / Monroe Turnpike.

Driving Effort 7/10

Focused - busy navigation packed into a short drive

Balances navigation complexity with total wheel time.

This is a short but busy drive. With 9 decision points packed into just 40.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 56m.

Where does it get tricky?

The main spots that need attention: at 0.1 miles (CT 111 / Monroe Turnpike): Navigation decision point; at 0.3 miles (CT 111 / Monroe Turnpike): Roundabout - know your exit number before entering; at 12.9 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Critical Maneuvers

5 of 9 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

5
0.1 mi into trip | ~0m in | CT 111 / Monroe Turnpike

At end of road, turn right onto CT 111 / Monroe Turnpike

Navigation decision point

5
0.3 mi into trip | ~0m in | CT 111 / Monroe Turnpike

Enter roundabout onto CT 111 / Monroe Turnpike

Roundabout - know your exit number before entering

7
12.9 mi into trip | ~18m 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
7
39.4 mi into trip | ~54m in

Take the exit toward Arch Street

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

Use the slight right lane. Exit 3 Toward Arch Street
6
39.5 mi into trip | ~54m in | Arch Street

Turn right onto Arch Street

Lane positioning matters here

Use the straight / right lanes.

Main Roads

Road Distance Duration
I 95 26.1 mi 35m
CT 25 9.4 mi 11m
Monroe Turnpike 3.5 mi 6m
Field Point Road 0.2 mi <1m
Sound View Drive 0.2 mi <1m
Arch Street 0.1 mi <1m
Fan Hill Road <0.1 mi <1m
West Elm Street <0.1 mi <1m
Longest stretch: I 95 — 26.1 mi, about 35m

Turn-by-Turn Driving Directions

Step-by-step road directions between Monroe, CT and Greenwich, CT.

1

Start on Fan Hill Road

382 ft · 11 sec · Fan Hill Road
2

At end of road, turn right onto CT 111

0.2 mi · 25 sec · Monroe Turnpike
3

Enter roundabout onto CT 111

110 ft · 2 sec · Monroe Turnpike
4

Continue on CT 111

3.2 mi · 6 min · Monroe Turnpike
5

Turn left onto CT 25

9.4 mi · 11 min · CT 25
Use the left / straight / right lanes.
6

Keep slight right at fork

0.3 mi · 42 sec
Toward I 95 South: New York City Use the slight right lane.
7

Merge onto I 95

26 mi · 35 min · I 95
Use the straight / slight right lanes.
8

Take the exit

0.1 mi · 29 sec
Exit 3 Toward Arch Street Use the slight right lane.
9

Turn right onto Arch Street

0.1 mi · 19 sec · Arch Street
Use the straight / right lanes.
10

Turn straight onto Sound View Drive

0.2 mi · 23 sec · Sound View Drive
11

Turn slight right onto Field Point Road

0.2 mi · 28 sec · Field Point Road
Use the straight / right lanes.
12

Turn right onto West Elm Street

53 ft · 1 sec · West Elm Street
13

Arrive at destination

West Elm Street

Where to Stop

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

Halfway Point

Midpoint

About 20.1 mi from Monroe, CT · 28m into the drive

Downtown Fairfield, CT, CT

Mid-route town

Meal stop

Fairfield, CT

20 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.

Popular next leg

Fairfield, CT to Greenwich, CT

22.5 mi · 31m

Pacing Suggestions

Port Chester, NY

Fuel and coffee

A short stop after about 40 miles helps settle the day before fatigue starts building.

Fairfield, CT

Meal break

The midpoint is around 20.1 miles from Monroe, CT, which is a good place for a longer meal and fuel stop.

Arriving in Greenwich, CT

Allow a few extra minutes for the final approach into Greenwich, CT if you are unfamiliar with the area.

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

Fuel & Cost

Regular Gas

$6.46 one way

$12.91 round trip

$4.09/gal 25.4 MPG avg 14 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.50 $7.10 $14.21
premium $4.86 $7.68 $15.36
diesel $5.61 $8.85 $17.71

Estimated Tolls: $0.22

Monroe Turnpike (3.2 mi) $0.22

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Drive Cost (one way)

Fuel

$6

Tolls

$0

Total

$7

Estimated CO2 emission: 14 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $4 in charging · 0 stops · 64% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 12 0 $4.21 $1.92
Efficient EV 10 0 $3.51 $1.60
EV Truck/SUV 16 0 $5.61 $2.57

Gas CO2

14 kg

EV CO2

5 kg (64% 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 15, 2026

Origin

Monroe, CT

Evening in Monroe on Thursday

Local time

7:13 PM

EDT

Current temp

55°F

Unavailable

Live forecast

Destination

Greenwich, CT

Evening in Greenwich on Thursday

Local time

7:13 PM

EDT

Current temp

46°F

Unavailable

Live forecast

45°F

Fairfield, CT

20 mi in

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

9 degrees cooler at arrival

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

Road read

56m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

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

Frequently Asked Questions

The drive from Monroe, CT to Greenwich, CT covers 40.1 miles and takes about 56m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 95, CT 25, Monroe Turnpike. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 20.1 miles from Monroe, CT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $6.46 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a short but busy drive. With 9 decision points packed into just 40.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 56m.
The main spots that need attention: at 0.1 miles (CT 111 / Monroe Turnpike): Navigation decision point; at 0.3 miles (CT 111 / Monroe Turnpike): Roundabout - know your exit number before entering; at 12.9 miles: Highway fork - watch signs carefully. Lane positioning matters here.
The route from Monroe, CT to Greenwich, CT does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Weir Farm National Historical Park.

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