How far is Old Mystic, CT from Greenwich, CT?
The driving distance from Old Mystic, CT to Greenwich, CT is about 100.7 miles (162.1 km), with a travel time of about 02h 11m by car.
- The straight-line flight distance is about 90.2 miles (145.2 km).
- For a round trip, plan for roughly 04h 23m 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 11m.
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 Sates
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Old Mystic and Greenwich.
Turn-by-Turn Driving Directions
Step-by-step road directions between Old Mystic and Greenwich.
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1
Start on Route 27
154 m · 12 sec · Route 27
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2
Turn right onto Main Street
1131 ft · 23 sec · Main Street
-
3
Continue on Whitehall Avenue
1.3 km · 2 min · Whitehall Avenue
-
4
Take the ramp left
1389 ft · 34 sec
-
5
Merge slight left
98.6 mi · 2 hr 8 min
-
6
Take the exit slight right toward Arch Street
791 ft · 29 sec
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7
Turn right onto Arch Street
757 ft · 20 sec · Arch Street
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8
Turn straight onto Sound View Drive
1145 ft · 23 sec · Sound View Drive
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9
Turn slight right onto Field Point Road
1187 ft · 28 sec · Field Point Road
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10
Turn right onto West Elm Street
16 m · 1 sec · West Elm Street
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11
Arrive at your destination
0 m · 1 sec · West Elm Street
Car Route Details
A richer read on the saved driving route between Old Mystic 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.
Whitehall Avenue
Merge slight left
98.6 mi · 02h 08m
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.
Partly Sunny leaving Old Mystic and Mostly Sunny near Greenwich.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Old Mystic to Greenwich?
The road trip is about 100.7 miles (162.1 km) and usually takes 02h 11m 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?
Branford is a useful midpoint, sitting about 50.3 miles from Old Mystic and 50.5 miles from Greenwich.
How much longer is the road route than the straight-line distance?
The direct path is about 90.2 miles (145.2 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 2:06 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.04 one way or $28.09 round trip. Estimated CO2 is about 31.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Old Mystic and Mostly Sunny near Greenwich.
Stop Ideas Near Branford
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 Branford.
Union Station
Wallingford station
Meriden Transit Center
Bridgeport
Flight Path Map
This map shows the direct air route between Old Mystic and Greenwich. Straight-line distance: 90.23 mi (145.21 km).
#1 Old Mystic
Village in the United States
| Population | 3,554 |
| Coordinates | 41.3914900, -71.9617400 |
| Altitude | 4 |
| 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: Greenwich (-73.62846, 41.02649)
Estimated Travel Time
Distance: 162 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 21m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 00m |
| 60 mph (96.56 km/h) | 01h 40m |
| 70 mph (112.65 km/h) | 01h 26m |
| 80 mph (129 km/h) | 01h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $14.04 | $28.09 |
| Mid-grade | $4.46 | $15.87 | $31.73 |
| Premium | $4.86 | $17.29 | $34.59 |
| Diesel | $6.00 | $21.35 | $42.70 |
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.