It turns out that the travelers Ryoma saved were the local duke and his family. Impressed by Ryoma's various skills and enamored by his personality, they offer to take Ryoma along on their journey.
It would be a huge detour--
perhaps three additional days.
سيكون انعطافاً ضخما عندها
--ربما تكون 3 أيام إضافية
Sería desviarnos mucho.
Tal vez tres días adicionales.
Sería un desvío enorme…
Tal vez de unos tres días.
Le détour rajouterait 3 jours de trajet.
Sarebbe una grossa deviazione... 
ci metteremmo tre giorni in più.
Iríamos nos atrasar muito.
Talvez quase três dias completos.