| Opatija to Ramnicu Sarat | 618.87 mi (995.98 km) |
| Opatija to Ramnicu Valcea | 490.31 mi (789.07 km) |
| Opatija to Rasnov | 540.69 mi (870.15 km) |
| Opatija to Reghin | 508.52 mi (818.38 km) |
| Opatija to Resita | 368.59 mi (593.19 km) |
| Opatija to Roman | 614.02 mi (988.17 km) |
| Opatija to Rosiori de Vede | 531.34 mi (855.11 km) |
| Opatija to Rovinari | 432.80 mi (696.53 km) |
| Opatija to Roznov | 593.72 mi (955.50 km) |
| Opatija to Sabaoani | 610.90 mi (983.15 km) |
| Opatija to Sacele | 552.67 mi (889.43 km) |
| Opatija to Sacueni | 396.74 mi (638.49 km) |
| Opatija to Salcea | 595.34 mi (958.11 km) |
| Opatija to Salonta | 366.47 mi (589.78 km) |
| Opatija to Sangeorgiu de Mures | 495.29 mi (797.10 km) |
