Možda mala korekcija Pula - Zagreb. Prema ruti koju si dao stalno si na auto putu, a može se proći dobrim cestama bez naplate i sa manje prometa. Ovo je prijedlog :
https://kurviger.de/en?point=Pola%2C%2052100%2C%20Kroatien&point=45.088869%2C13.880287&point=45.141753%2C13.901031&point=45.236977%2C13.924361&point=45.290724%2C14.094172&point=45.29889%2C14.135306&point=45.305791%2C14.194658&point=45.326354%2C14.274427&point=45.347832%2C14.305701&point=45.339822%2C14.469976&point=45.378912%2C14.533796&point=45.463216%2C14.970964&point=45.435804%2C15.012388&point=45.419118%2C15.171669&point=45.443753%2C15.268571&point=45.51608%2C15.552121&locale=en&vehicle=motorcycle&weighting=curvature&additional_weighting=&elevation=true&layer=Omniscale
Ruta : Pula - Pazin - Cerovlje - Paz - Boljun - Učka (preko prevoja) - Rijeka - stara cesta do Karlovca - Zagreb auto put.
Što se Istre tiče ima puno mogućnosti, a sve zavisi koliko želiš voziti.