| Opatija to Rivarolo Canavese | 319.66 mi (514.44 km) |
| Opatija to Rivoli | 330.59 mi (532.04 km) |
| Opatija to Rocca di Papa | 258.85 mi (416.59 km) |
| Opatija to Rocca Priora | 257.00 mi (413.60 km) |
| Opatija to Roccapiemonte | 316.49 mi (509.34 km) |
| Opatija to Roccastrada | 223.26 mi (359.31 km) |
| Opatija to Romano di Lombardia | 220.98 mi (355.63 km) |
| Opatija to Rome | 254.47 mi (409.52 km) |
| Opatija to Roncade | 95.33 mi (153.42 km) |
| Opatija to Ronchi dei Legionari | 51.86 mi (83.47 km) |
| Opatija to Ronciglione | 234.59 mi (377.53 km) |
| Opatija to Rosa | 125.45 mi (201.89 km) |
| Opatija to Rosarno | 480.96 mi (774.03 km) |
| Opatija to Rosignano Marittimo | 231.67 mi (372.84 km) |
| Opatija to Rosolini | 589.41 mi (948.56 km) |
