Sample routes
7 sample routes across 8 countries. Each one shows the city order, the nights in each stop, and the main transport between them.

Milan (4 nights), Florence (4), Rome (3).
Seoul (4 nights), Busan (3), Fukuoka (2), Kyoto (3), Tokyo (3).
Hanoi (3 nights), Ninh Binh (2), Hoi An / Da Nang (3), Ho Chi Minh City (3).
Tokyo (4 nights), Hakone (2), Kyoto (4), Osaka (3), flying home from Osaka.

Porto (3 nights), Lisbon (3), Madrid (4), Barcelona (3), flying home from Barcelona.

Chiang Mai (4 nights), Bangkok (5), Siem Reap (4), flying home from Siem Reap.
Porto (2 nights), Lisbon (2), flying home from Lisbon.
The order, the night split, the connections, and where to fly in and out — for a 14-day first trip to Japan.

A 10-day first Korea route, with the night split, the KTX legs, the station trap nobody warns you about, and whether the rail pass is worth it.
A Thursday-night-to-Sunday Lisbon and Sintra itinerary, with the real flight times, the PTO sum, and the Pena Palace rule that ruins people's day.
North to south, one direction, no backtracking — with the Ha Long day-maths that reshapes the whole itinerary.

Four cities in nine days, which normally does not work — and the specific reason it works here.
Two countries, one border crossing, zero repeated legs — and the current, correct answer on how to get from Busan to Fukuoka.
Your route, your dates
These are samples, not packages. Send your dates, your departure airport, and every destination you're considering, and you'll get an honest read on what fits — in writing.