| Roquetas de Mar to Orbetello | 832.57 mi (1,339.90 km) |
| Roquetas de Mar to Oria | 1,120.20 mi (1,802.79 km) |
| Roquetas de Mar to Oristano | 644.41 mi (1,037.08 km) |
| Roquetas de Mar to Orta Nova | 1,030.42 mi (1,658.30 km) |
| Roquetas de Mar to Orte | 888.45 mi (1,429.82 km) |
| Roquetas de Mar to Ortona | 982.87 mi (1,581.77 km) |
| Roquetas de Mar to Orvieto | 882.15 mi (1,419.68 km) |
| Roquetas de Mar to Orzinuovi | 883.00 mi (1,421.06 km) |
| Roquetas de Mar to Osimo | 966.59 mi (1,555.57 km) |
| Roquetas de Mar to Ospitaletto | 894.97 mi (1,440.31 km) |
| Roquetas de Mar to Ostuni | 1,119.63 mi (1,801.86 km) |
| Roquetas de Mar to Ottaviano | 960.76 mi (1,546.20 km) |
| Roquetas de Mar to Ovada | 801.09 mi (1,289.24 km) |
| Roquetas de Mar to Ozieri | 679.32 mi (1,093.27 km) |
| Roquetas de Mar to Paceco | 835.97 mi (1,345.37 km) |
