1D Hanoi Airport → Hotel Check-in → Old Quarter Leisure | Distance: 25 km | Time: 3 hrs | Mode: private/shared transfer + local walk→2D Hanoi → Halong Bay Cruise Pier → Overnight Cruise → Bay Views | Distance: 35 km | Time: 3 hrs | Mode: private/shared transfer + boat/ferry + local walk→3D Halong Bay Cruise → Halong Sunrise & Caves → Sunrise Deck → Cave Visit | Distance: 50 km | Time: 4 hrs | Mode: private/shared transfer + boat/ferry + local walk→4D Halong Sunrise & Caves Hotel → Airport / Station Departure | Distance: 10 km | Time: 2 hrs | Mode: private/shared transfer + local walk