Relief map of Vietnam moulded in clay on a wooden table

A Vietnam itinerary that survives the map: 7, 10 and 14 days

Short answer

Vietnam is long: the railway runs 1,726 km end to end and takes about 30 hours. In 7 days pick 2 bases, not 5. Ten days adds a third. Fourteen lets you take the coast slowly, and the Hue to Da Nang train leg, under 3 hours, is the one worth planning around.

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What fits

Days Sensible shape
7 Two bases: a city and a coast, with one day trip
10 Three bases, or two plus a slow train leg
14 North, centre and south with time to stop moving
21 The same, plus the mountains or the Mekong

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The distance problem

Vietnam looks compact on a phone screen and is not. The north to south railway runs 1,726 km and an end to end journey takes about 30 hours. That single figure settles most itinerary arguments: you are not seeing Hanoi, Hue, Hoi An, Da Lat and the Mekong in a week without spending the week in seats.

The fix is not to move faster. It is to move less.

Seven days

Pick two bases and let each earn its keep.

  • Hanoi and the north. The Old Quarter, a night on the water at Ha Long or Lan Ha, and a day that is nothing but eating. Arrival logistics are in Hanoi airport to the Old Quarter.
  • Or Da Nang and Hoi An. Beach, an old town that is genuinely old, and the Hai Van coast on the doorstep.
  • Or Ho Chi Minh City and the Mekong. A city that does not stop and a delta that never hurried, with the shortest airport transfer in the country, covered in Tan Son Nhat to District 1.

One internal flight between two of those is fine. Two flights in seven days is a mistake you make once.

Ten days

Add the third base, and put the train leg in the middle. Hue to Da Nang takes under three hours and runs through three tunnels on the flank of the Hai Van pass, with the sea below and the highway far above. Book it in daylight. The full picture of the line is in the Reunification Express.

Fourteen days

Now the country opens up. North, centre and south with two or three nights in each, plus one of the places that needs a detour: Sapa, Phong Nha, Da Lat, Ninh Binh or Phu Quoc. This is also where overnight transport stops being a sacrifice, because losing a morning to a sleeper bus costs you a fourteenth of the trip rather than a seventh. How those work is in sleeper buses in Vietnam.

Let the season pick the half

The central coast is dry from January to August and in its typhoon and wet season from September to December. The north is cool and dry from December to February. The south is dry from December to April.

An October itinerary built around Hoi An boat trips is an argument with the weather that the weather wins. The full month by month picture, with a picker, is in when to go to Vietnam.

Book in this order

  1. Flights in and out, ideally into one city and out of another so you never backtrack.
  2. The fixed points: a boat night, a booked tour, anything with a date.
  3. The train leg, because the good seats on the good stretch go first.
  4. Everything else, loosely, once you are there.

That last line only works if your phone works. Sizing is in how much mobile data for Vietnam, the visa is in the Vietnam e-visa, and the plans are in the Vietnam eSIM store.

Questions

How many places fit in a week?

Two bases, three if one of them is a day trip. The country is 1,726 km from end to end and an internal flight still costs half a day once you add airports. A week spent in Hanoi and Hoi An is a holiday. The same week across five cities is a commute.

North or south, if I only get one?

Take the one that suits your dates. The central coast is dry from January to August and wet from September to December, while the north is cool and dry from December to February and wet from May to October. Let the calendar choose the half of the country rather than arguing with it.

Should I fly or take the train between cities?

Fly the long hops, take the train for the one that earns it. Hanoi to Da Nang by rail is most of a day, while Hue to Da Nang is under three hours through the Hai Van tunnels and is the stretch people remember. Plan that leg in daylight.

Is an overnight bus a good way to save a day?

It saves a hotel night and costs you the morning. Vexere lists more than 2,000 operators across over 5,000 routes, so the option is always there. On a seven day trip that morning matters more than the money, and on a fourteen day trip it usually does not.

What ruins these plans most often?

Weather in the centre between September and December, and optimism about distance everywhere else. Book the fixed points first, leave the middle loose, and keep a connection so a cancelled boat becomes a changed booking rather than a lost day.

Sources

  1. Wikipedia: North–South railway (Vietnam)
  2. Vietnam Railways: official ticket site
  3. Vexere: bus operators and routes in Vietnam
  4. Wikipedia: Da Nang, climate