how long does it take for mail to come from canada to the us
First class mail to Canada could take up to 2 weeks, there is no tracking and it may also get delayed in customs, completely out of the control of the USPS.13 people found this useful.Edit.ow long does a USPS first class mail international take from US to Australia? This takes approximately 1-2 weeks, roughly 5-10 business days.
Best Answer: We do business with Canada all the time (from Detroit, MI) and non-air mail generally takes 7-10 days to get there. Even to Windsor which is 1 mile from Detroit.est Answer: We do business with Canada all the time (from Detroit, MI) and non-air mail generally takes 7-10 days to get there. Even to Windsor which is 1 mile from Detroit.