How far is Greenwich, CT from Old Lyme, CT?
The driving distance from Greenwich, CT to Old Lyme, CT is about 78.2 miles (125.8 km), with a travel time of about 01h 45m by car.
- The straight-line flight distance is about 70.5 miles (113.4 km).
- For a round trip, plan for roughly 03h 31m 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 45m.
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.
Borough in Milford, Connecticut
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Greenwich and Old Lyme.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenwich and Old Lyme.
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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
43.8 mi · 59 min
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7
Take the exit slight right toward Long Wharf Drive, Sargent Drive
1092 ft · 1 min
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8
Turn left onto Long Wharf Drive
1.5 km · 2 min · Long Wharf Drive
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9
Continue on East Street
647 ft · 17 sec · East Street
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10
Turn right onto Water Street
562 ft · 10 sec · Water Street
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11
Continue on Forbes Avenue
1.2 mi · 2 min · Forbes Avenue
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12
Turn right onto Frontage Road
1.1 km · 49 sec · Frontage Road
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13
Take the exit slight left toward I 95 North
1227 ft · 30 sec
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14
Merge slight left
28.7 mi · 33 min
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15
Take the exit slight right toward US 1, CT 156: Old Lyme
1083 ft · 31 sec
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16
Turn right onto Shore Road
2375 ft · 54 sec · Shore Road
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17
Turn left onto Ferry Road
1603 ft · 1 min · Ferry Road
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18
At the end of the road, turn left onto Lyme Street
1199 ft · 45 sec · Lyme Street
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19
Turn right onto Library Lane
63 m · 14 sec · Library Lane
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20
Turn left
10 m · 2 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Greenwich and Old Lyme.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 95 North
Merge slight left
43.8 mi · 00h 59m
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.
Mostly Sunny leaving Greenwich and Mostly Sunny near Old Lyme.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greenwich to Old Lyme?
The road trip is about 78.2 miles (125.8 km) and usually takes 01h 45m 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?
Woodmont is a useful midpoint, sitting about 39 miles from Greenwich and 39.1 miles from Old Lyme.
How much longer is the road route than the straight-line distance?
The direct path is about 70.5 miles (113.4 km), while the road route adds roughly 7.7 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 2:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.89 one way or $21.78 round trip. Estimated CO2 is about 24.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Greenwich and Mostly Sunny near Old Lyme.
Stop Ideas Near Woodmont
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 Woodmont.
Union Station
Bridgeport
Wallingford station
Meriden Transit Center
Flight Path Map
This map shows the direct air route between Greenwich and Old Lyme. Straight-line distance: 70.48 mi (113.43 km).
#1 Greenwich
Town in Fairfield County, Connecticut, United States
| Population | 62,769 |
| Coordinates | 41.0264900, -73.6284600 |
| Altitude | 28 |
| Country | United States |
#2 Old Lyme
Town in New London County, Connecticut, United States
| Population | 7,280 |
| Coordinates | 41.3159300, -72.3289700 |
| Altitude | 8 |
| Country | United States |
End: Old Lyme (-72.32897, 41.31593)
Estimated Travel Time
Distance: 126 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 36m |
| 40 mph (64.37 km/h) | 01h 57m |
| 50 mph (80.47 km/h) | 01h 33m |
| 60 mph (96.56 km/h) | 01h 18m |
| 70 mph (112.65 km/h) | 01h 06m |
| 80 mph (129 km/h) | 00h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $10.89 | $21.78 |
| Mid-grade | $4.46 | $12.30 | $24.60 |
| Premium | $4.86 | $13.41 | $26.82 |
| Diesel | $6.00 | $16.55 | $33.10 |
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.