Ciao magomir!
Per la soluzione n.2 ho abbozzato un giro che ho fatto anch'io nell'entroterra (cercando di evitare strade troppo trafficate), ma se hai possibilità, da Saludecio, fai un salto anche a Mondaino e Montegridolfo, così chiudi ad hoc il giro passando proprio per Tavullia.
https://www.google.it/maps/dir/Riccione,+RN/43.9667637,12.619762/San+Clemente,+RN/Morciano+di+Romagna,+RN/Saludecio,+RN/43.9062606,12.7349768/San+Giovanni+In+Marignano,+RN/43.9771672,12.6559385/Riccione,+RN/@43.9326372,12.6227812,12.5z/data=!4m66!4m65!1m15!1m1!1s0x132cdd611d75ef7b:0x6fba431d28868c27!2m2!1d12.6555485!2d43.999296!3m4!1m2!1d12.6243855!2d43.9942004!3s0x132ce7fdcb8aa9b7:0x893f9063d6bcd882!3m4!1m2!1d12.604765!2d43.9907765!3s0x132ce810cdffb4f3:0x32b43437d9efbdb2!1m5!3m4!1m2!1d12.626658!2d43.9626408!3s0x132ce7d4bb915afb:0x136dea3e3e800d2c!1m5!1m1!1s0x132ce60361084d51:0x5e27d2aa37be1df4!2m2!1d12.6269415!2d43.9317733!1m5!1m1!1s0x132ce5db778f9cf1:0xdf9df031bec05fd1!2m2!1d12.6479422!2d43.9111534!1m5!1m1!1s0x132ce502b5ee3ce7:0xfb8bca5e34a8bffa!2m2!1d12.6683909!2d43.8743736!1m0!1m15!1m1!1s0x132ce6ccee2039d5:0x104d1a75369851a0!2m2!1d12.7093224!2d43.9401583!3m4!1m2!1d12.7083994!2d43.9434978!3s0x132ce6d272adbb15:0x1644fcf9ebbf8e1d!3m4!1m2!1d12.7127263!2d43.958474!3s0x132ce72ccfcb20af:0x835c5f1dfa21d59a!1m0!1m5!1m1!1s0x132cdd611d75ef7b:0x6fba431d28868c27!2m2!1d12.6555485!2d43.999296!3e0
Matteo
grandissimo Matteo!
ascolterò il tuo consiglio