The short answer is three days is enough for one place, five days is enough for one compact route, and seven days is enough for a country story with room for recovery. The calendar matters less than the number of hotel changes, hard transfers, and fixed arrival windows inside it.
Start with the days you can actually use
Do not count a late landing, an overnight flight, or a long departure day as a full sightseeing day. They may still be useful, but they need a smaller job: check in, learn the neighborhood, eat something good, and sleep.
| Time you have | What it can hold well | What usually makes it worse |
|---|---|---|
| Three days | One city, one island, or one compact base with a day trip | Two hotel changes or a long arrival transfer plus a distant day trip |
| Five days | One city plus one companion place, or a short regional route | Three major cities, a ferry chain, or a drive-heavy loop |
| Seven days | A country route with two or three meaningful bases | Treating every town as an overnight stop |
| Ten days or more | A slower multi-region route with a buffer | Filling every open day before the first flight is even booked |
Three days: choose one strong base
Three days work when the whole trip has one center. That could be Budapest, Rome, Athens, one Greek island, or a compact beach town with one excellent day trip. The best short trip gives you a morning, an afternoon, and an evening that belong to the same place instead of three transfer windows.
Use the Trip Planner to test a short route, but keep the output honest. If the route needs an early alarm, luggage storage, and a second check-in before dinner, it probably needs another day.
Five days: add one contrast, not a second country
Five days can hold a city and a coast, a capital and a smaller town, or two rail-connected cities. This is the sweet spot for a route with a single contrast: busy and quiet, history and beach, city and countryside, or food base and day trip.
The Travel Itineraries hub has examples of routes that use five days well. Notice that the useful ones make one difficult move on purpose and then stay put long enough to enjoy the result.
Seven days: make the trip tell one story
Seven days can support a fuller first visit, but only when the route has a clear direction. An Albania route can move from Tirana through historic towns to the south coast. An Italy route can follow a rail spine. A Japan route can balance city energy with a calmer stop. The key is that each move should change the trip, not just prove that you covered more ground.
Before adding a third base, ask whether you would rather have an extra evening in the first two. Most travelers remember the unhurried night more clearly than the hotel lobby they rushed through.
The buffer rule
Every route should contain one recovery option. It could be a free afternoon before a flight, an extra coast night before a long bus ride, or a flexible day after weather-sensitive plans. A buffer is not empty time. It is the part of the itinerary that lets the rest survive real life.
Final answer
Choose one base for three days, one compact route for five, and two or three meaningful bases for seven. Add a stop only when it gives the trip a new experience worth the transfer day it consumes.