Alaina Mathers. Alaina and Hailie during their childhood. Alaina Mathers (May 3, 1993) is Eminem's adopted daughter, and the biological daughter of his wife's twin sister. Eminem has custody of his niece and is raising her as Hailie's sister.
Driving distance from Buffalo, NY to Niagara Falls, NY. The total driving distance from Buffalo, NY to Niagara Falls, NY is 21 miles or 34 kilometers. Your trip begins in Buffalo, New York. It ends in Niagara Falls, New York.
Distances Summary and More Information. The driving distance from Niagara Falls to Toronto Pearson International Airport is 123 km. Your Travel Starts at Niagara Falls, ON, Canada. It Ends at Toronto Pearson International Airport, Mississauga, ON, Canada.