How far is Hamden, CT from Old Lyme, CT?

The driving distance from Hamden, CT to Old Lyme, CT is about 40.3 miles (64.9 km), with a travel time of about 00h 53m by car.

  • The straight-line flight distance is about 30 miles (48.2 km).
  • For a round trip, plan for roughly 01h 47m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
40.31 mi
00h 53m
Flight
29.96 mi
48.22 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Hamden.

Flight Distance

Direct air line
29.96 mi
Kilometers
48.22 km
Flight Time
00h 03m

Driving Distance

Road route
40.31 mi
Kilometers
64.88 km
Drive Time
00h 53m

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 53m.

Arrival Snapshot
Arrive in Old Lyme
Thu, Apr 23, 11:43 AM EDT
Return by in Hamden
Thu, Apr 23, 12:37 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Hamden
2026-04-23T10:50
Arrive Old Lyme
Thu, Apr 23, 11:43 AM EDT
Route Timing
00h 53m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:54 AM to 10:54 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:42 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Hamden
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Guilford
CT

Town in New Haven County, Connecticut, United States

From Hamden
20.1 mi
00h 26m
To Old Lyme
20.2 mi
00h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
61°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
2 to 6 mph NW
Destination
Old Lyme Weather
CT
Live fallback forecast
57°F
Thursday
Using Niantic as the closest live forecast in the New London County weather hub.

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
7 mph NW

Driving Route Map

The map below follows the saved road route between Hamden and Old Lyme.

Turn-by-Turn Driving Directions

Step-by-step road directions between Hamden and Old Lyme.

  1. 1

    Start on Whitney Avenue

    1415 ft · 26 sec · Whitney Avenue

  2. 2

    Take the ramp slight right toward CT 40 South: North Haven

    932 ft · 23 sec

  3. 3

    Continue straight

    2.2 mi · 3 min

  4. 4

    Take the exit slight right toward I 91 South: New Haven

    1830 ft · 35 sec

  5. 5

    Merge slight left

    3.3 mi · 4 min

  6. 6

    Take the exit slight right toward CT 17, CT 80: North Branford

    1701 ft · 53 sec

  7. 7

    Turn right onto Middletown Avenue

    1.3 km · 1 min · Middletown Avenue

  8. 8

    Continue on Ferry Street

    1 mi · 2 min · Ferry Street

  9. 9

    Continue on Ferry Street

    1499 ft · 52 sec · Ferry Street

  10. 10

    Turn right onto Farren Avenue

    2266 ft · 54 sec · Farren Avenue

  11. 11

    Turn left onto Fairmont Avenue

    542 ft · 11 sec · Fairmont Avenue

  12. 12

    Continue on Townsend Avenue

    1291 ft · 32 sec · Townsend Avenue

  13. 13

    Turn left onto Forbes Avenue

    113 m · 6 sec · Forbes Avenue

  14. 14

    Turn right onto Frontage Road

    1.1 km · 49 sec · Frontage Road

  15. 15

    Take the exit slight left toward I 95 North

    1227 ft · 30 sec

  16. 16

    Merge slight left

    28.7 mi · 33 min

  17. 17

    Take the exit slight right toward US 1, CT 156: Old Lyme

    1083 ft · 31 sec

  18. 18

    Turn right onto Shore Road

    2375 ft · 54 sec · Shore Road

  19. 19

    Turn left onto Ferry Road

    1603 ft · 1 min · Ferry Road

  20. 20

    At the end of the road, turn left onto Lyme Street

    1199 ft · 45 sec · Lyme Street

  21. 21

    Turn right onto Library Lane

    63 m · 14 sec · Library Lane

  22. 22

    Turn left

    10 m · 2 sec

  23. 23

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Hamden and Old Lyme.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
23 steps
10 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
57.1 / 100 mi
Decision points by distance
Main Roads
I 95 North
28.9 mi · 72%
I 91 South
3.6 mi · 9%
CT 40 South
2.36 mi · 6%
Ferry Street
1.29 mi · 3%
Middletown Avenue
0.82 mi · 2%
Frontage Road
0.67 mi · 2%
Longest Stretch

I 95 North

Merge slight left

28.7 mi · 00h 33m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 53m
Day trip friendly
Same-Day Return
01h 48m
Round-trip wheel time
Road vs Air
+10.3 mi
30 mi direct line
Halfway Stop
Guilford
00h 26m from Hamden
Leave By
4:42 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Hamden 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 Hamden to Old Lyme?

The road trip is about 40.3 miles (64.9 km) and usually takes 00h 53m 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?

Guilford is a useful midpoint, sitting about 20.1 miles from Hamden and 20.2 miles from Old Lyme.

How much longer is the road route than the straight-line distance?

The direct path is about 30 miles (48.2 km), while the road route adds roughly 10.3 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 4:42 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.60 one way or $11.20 round trip. Estimated CO2 is about 12.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Hamden and Mostly Sunny near Old Lyme.

Stop Ideas Near Guilford

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Guilford, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Guilford.

RAIL

Union Station

20 mi away
50 Union Avenue
RAIL

Wallingford station

22 mi away
37 Hall Avenue
RAIL

Old Saybrook station

26 mi away
455 Boston Post Road
RAIL

Meriden Transit Center

30 mi away
60 State Street

Flight Path Map

This map shows the direct air route between Hamden and Old Lyme. Straight-line distance: 29.96 mi (48.22 km).

Hamden

#1 Hamden

Town in Connecticut, US

Population60,294
Coordinates41.3959300, -72.8967700
Altitude31
CountryUnited States
Old Lyme

#2 Old Lyme

Town in New London County, Connecticut, United States

Population7,280
Coordinates41.3159300, -72.3289700
Altitude8
CountryUnited States
Start: Hamden (-72.89677, 41.39593)
End: Old Lyme (-72.32897, 41.31593)

Estimated Travel Time

Distance: 65 km by road

SpeedTime
30 mph (48.3 km/h)01h 20m
40 mph (64.37 km/h)01h 00m
50 mph (80.47 km/h)00h 48m
60 mph (96.56 km/h)00h 40m
70 mph (112.65 km/h)00h 34m
80 mph (129 km/h)00h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.42 gal
5.39 L · about $5.60
Round trip
$11.20
2.84 gal · 10.78 L
Estimated CO2
12.6 kg one way
Round trip: 25.2 kg / 56 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $5.60 $11.20
Mid-grade $4.46 $6.33 $12.66
Premium $4.86 $6.90 $13.80
Diesel $6.00 $8.52 $17.03

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

There is no time difference between Hamden and Old Lyme. The current time is 10:50:10.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.