If this is feasible depends on the people in your group.
How old are they, do they carry their luggage, what is their condition (trained long distance walkers or not).
You walk 14 days without a day to rest. Can they make that and enjoy it?
You should ask them what’s feasible.
The Camino Portuguese is said to be easy, and is most of the time, but it has some steep hills that are real knee crushers, especially on the walk up to Redondela.
The first days seems short, and then you mostly walk along the coast on boulevard and boardwalk (with an occasional (steep) walk into the hills) but from Vigo to Caldas de Reis they are longer and also more stretching. The way you planned the daily distances could be better imo.
I walked from Matosinhos to Caminha in 5 days. And from tui to Santiago in 6 days. (And an extra morning for Porto to Matosinhos in the end). We switched from Caminha to Valenca.
I was thankful for the 2 restdays along the way.
You can only make EVERYONE happy when you know what they are capable of and what their expectations are.
Because giving time to sit on the beach or have a look around the towns on the coast in Portugal is nice (seems to me there’s a lot of time for that) , but if they can’t make it to Santiago because the distance on the days from Vigo are too much and they get injuries they won’t be happy. Because reaching Santiago is their main goal.
Why don’t you look at other sites like Camino comfort or stingynomads for inspiration on what’s doable.
De Camino Portugues start in Lissabon of Porto, hoewel een zeer populair startpunt Tui is, in Galicia. Het is de op-een-na-populairste route.
The Coastal Route of the Portuguese
Camino de Santiago from Porto a 2024 guide and walking stages. Downloadable PDF and GPX files
Good luck planning everything.