Total distance: 145.9 km
Total elevation gain: 2626 m
Traveling time: about 12-14 hours depending on your fitness level.
Difficulty: medium, except the last stage, in Lošinj, which is quite easy.
GPS file of the entire itinerary: https://ridewithgps.com/routes/32692692
Distance: 38,5 km one-way
Elevation gain: 550 m
Elevation loss: 590 m
Traveling time: about 3 hours (without stops)
Difficulty level: medium
Distance: 233,5 km
Total elevation gain: 1615 m
Total riding time (net of stops): about 13-14 hours
Difficulty level: generally easy, excluding the second stage (which is medium level due to the many ups and downs).