exactly 694 kilometres.
Toronto is 428 miles (689 kilometers) from Boston.
692 km as crow flies or 887 km by car. http://www49.wolframalpha.com/input/?i=toronto+ontario+to+Boston+Massachusetts http://maps.google.com/
It is 1,553 kilometers.
The distance is 7108 kilometers.
about 1200 km
Boston is located at approximately 42.36° N latitude, while Toronto is at about 43.65° N latitude. This means that Toronto is actually further north than Boston by about 1.29° of latitude. In terms of distance, this translates to roughly 90 miles (145 kilometers) north of Boston.
About 120km
It is 132 kilometers according to Google Maps.
It is 244 kilometers according to Google Maps.
It is 55.7 kilometers according to Google Maps.
It is 148 kilometers accordng to Google Maps.
about 370 km