Whakaotihia te rerenga e whai ake nei: Kua tohu a Miller i a Canada i roto i nga whakataetae o te ao. I te Hōngongoi 2017, i whakataetae ia mo te kapa Canada i toa i te mētara koura i te
Ko te FIBA U19 World Cup. Ko Miller te toharite 1.6 tohu me te 1.7 rebounds ia kēmu. I te Pipiri 2018, he waahanga nui ia mo te kapa Canada i riro i a ia te mētara hiriwa i te FIBA U18 Americas Championship. Ko Miller te toharite 17.3 tohu, 7.3 rebounds, 1.5 awhina me 1.2 tahae mo ia keemu. I te wikitoria haurua whakamutunga ki a Puerto Rico, 31 nga tohu me te 14 nga rebounds.