Cornwall is located in Canada (Ontario) and time zone America/Toronto.
Places nearby are Massena, Malone and Potsdam.
Ottawa is 89 km away, Montréal is 106 km away and Toronto is 401 km away as the crow flies.
Distances from Cornwall to the most important cities in Canada and the world.
Source: zeitverschiebung.net » Current Local Time » Cornwall
45.0180900°
-74.7281500°
Unitary authority for Cornwall, England
https://en.wikipedia.org/wiki/Cornwall_Council