Day trips
The day trips that actually deliver — by base city and by destination. Each page is honest about what you give up by squeezing it into a day vs staying overnight.
By base city
From Hanoi
Ninh Binh, Halong, Bat Trang, Mai Chau, Ba Vi, Sapa add-on.
From HCMC
Cu Chi tunnels, Mekong, Vung Tau, Cao Dai, Can Gio.
From Đà Nẵng
Hoi An, Marble Mountains, Ba Na, My Son, Hai Van Pass.
From Hội An
My Son, Cu Lao Cham, Marble Mountains, Hue, Tra Que.
From Huế
Royal tombs, DMZ, Bach Ma, Lang Co lagoon.
From Nha Trang
Hon Mun, Po Nagar, Ba Ho, Yang Bay, Doc Let.
By destination
Cu Chi tunnels
Ben Dinh vs Ben Duoc, half-day vs full-day, speed-boat alt.
Mekong Delta (from HCMC)
My Tho one-day vs Can Tho two-day — honest read.
Cat Ba island
Day-trippable from Halong, not from Hanoi.
Tam Coc (Ninh Binh)
The classic karst rowboat — vs Trang An.
Ba Vi National Park
Hanoi local escape — temple, French chapel ruins.
My Son Cham ruins
From Hoi An or Da Nang — the sunrise tour case.