| Opatija to Reinosa | 925.75 mi (1,489.85 km) |
| Opatija to Requena | 881.47 mi (1,418.58 km) |
| Opatija to Reus | 722.85 mi (1,163.32 km) |
| Opatija to Rianxo | 1,159.82 mi (1,866.56 km) |
| Opatija to Ribadeo | 1,057.04 mi (1,701.14 km) |
| Opatija to Rincon de la Victoria | 1,132.87 mi (1,823.18 km) |
| Opatija to Ripoll | 641.04 mi (1,031.66 km) |
| Opatija to Ripollet | 663.69 mi (1,068.11 km) |
| Opatija to Rojales | 920.21 mi (1,480.94 km) |
| Opatija to Ronda | 1,171.01 mi (1,884.55 km) |
| Opatija to Roquetas de Mar | 1,058.38 mi (1,703.30 km) |
| Opatija to Rosas | 593.35 mi (954.90 km) |
| Opatija to Rubi | 669.54 mi (1,077.52 km) |
| Opatija to Rute | 1,111.85 mi (1,789.34 km) |
| Opatija to Sabadell | 664.35 mi (1,069.17 km) |
