Closest capital acrostics- Q and R capitals

Name the closest capital starting with the letters of the capital's name. If a letter appears a second time, name the second closest capital. If a letter appears a third time, name the third closest capital, etc. Previous quizzes in the series I call ‘Learn how to type Islamabad really well’: A,B1,B2,C,D,FG,HIJ,K,L,M,N,O,P1,P2