Concord is located in United States (Middlesex County, Massachusetts) and time zone America/New_York.
Places nearby are West Concord, Lincoln and Bedford.
Queens is 279 km away, New York City is 286 km away and Brooklyn is 288 km away as the crow flies.
Distances from Concord to the most important cities in United States and the world.
42.4603700°
-71.3489500°
University in Montreal, Quebec, Canada
https://en.wikipedia.org/wiki/Concordia_UniversityPairwise-comparison electoral system
https://en.wikipedia.org/wiki/Condorcet_method