They share a common border.
The air distance from Bridgeport, Connecticut, to Islandia, New York, is 25 miles. That equals 40 kilometers or 22 nautical miles.
According to Google Maps, travelling via I-95 S gives a distance of 80.9 miles (130 kilometres) between New Haven, Connecticut and New York, New York.
It is 80.9 miles according to Google Maps.
Connecticut and New York City.
It is 360 miles according to Google Maps.
I would say that New York City is to New York as Stamford is to Connecticut. New York City is one of the largest cities in the U.S., but it is not the capital of New York State (Albany is). Stamford is also one of the largest cities in the U.S., but it is not the capital of Connecticut (Hartford is).
New York and Connecticut share a border so it is theoretically possible to stand in both states at once. Port Chester NY to Greenwich CT is 3 miles, Buffalo NY to Stonington CT is 463 miles.
New York and Connecticut are both states. Connecticut is the state across Long Island Sound immediately north of Long Island which is the portion of New York State that extends out into the Atlantic Ocean.
Stanford is just northeast of New York - in Connecticut.
They share a common border so it would depend on the departure point in Connecticut and the destination in New York.
Massachusetts, Connecticut and a maritime border with New York.
The "tristate area" of New York consists of New York, New Jersey and Connecticut.