Amsterdam -> Copenhagen

I am planning to this route in summer of 2023 or 2024. One of the possible routes for this journey is the one I selected below and mostly consists of sleeping medium-sized or bigger cities, possibly camp in a few nights.

Day 1 = Amsterdam 🇳🇱-> Apeldoorn 🇳🇱

Day 2 = Apeldoorn 🇳🇱 -> Nordhorn 🇩🇪

Day 3 = Nordhorn 🇩🇪-> Papenburg 🇩🇪

Day 4 = Papenburg 🇩🇪 -> Bremen 🇩🇪

Day 5 = Bremen 🇩🇪-> Hamburg 🇩🇪

Day 6 = Hamburg 🇩🇪 -> Lübeck 🇩🇪

Day 7 = Lübeck 🇩🇪-> Kiel 🇩🇪

Day 8 = Kiel 🇩🇪 -> Flensburg 🇩🇪

Day 9 = Flensburg 🇩🇪-> Kolding 🇩🇰

Day 10 = Kolding 🇩🇰 -> Aarhus 🇩🇰

Day 11 = Aarhus 🇩🇰 (take the ferry 65-70km) -> Sjællands Odde 🇩🇰 -> Copenhagen 🇩🇰

Groningen -> Utrecht

Planning this journey possibly for March 17th-20th or after April 5th

Day 1: Groningen -> Meppel

Day 2: Meppel -> Apeldoorn

Day 3: Apeldoorn -> Utrecht