Of course, yes. Hanoi private tour can make any combination with other destinations in North Vietnam. In fact, to visit the whole North Vietnam you can spend more than 15 days. Here are some famous destination so that you can make a round journey for the whole North: Hanoi – Mai Chau – Moc Chau – Dien Bien – Yen Bai with Mu Cang Chai – Lai Chau – Sapa – Lao Cai – Ha Giang – Cao Bang – Ban Gioc Waterfall – Bac Son Valley – Halong Bay with Overnight cruise – Ninh Binh and then back Hanoi city for the end.