| Roquetas de Mar to Oerlinghausen | 1,185.86 mi (1,908.46 km) |
| Roquetas de Mar to Oestrich-Winkel | 1,056.12 mi (1,699.66 km) |
| Roquetas de Mar to Offenburg | 968.25 mi (1,558.25 km) |
| Roquetas de Mar to Oftersheim | 1,035.90 mi (1,667.11 km) |
| Roquetas de Mar to Ohrdruf | 1,173.88 mi (1,889.18 km) |
| Roquetas de Mar to Ohringen | 1,052.27 mi (1,693.47 km) |
| Roquetas de Mar to Olbernhau | 1,242.32 mi (1,999.32 km) |
| Roquetas de Mar to Olching | 1,058.88 mi (1,704.10 km) |
| Roquetas de Mar to Oldenburg | 1,246.22 mi (2,005.60 km) |
| Roquetas de Mar to Oldenburg in Holstein | 1,371.14 mi (2,206.63 km) |
| Roquetas de Mar to Olfen | 1,143.06 mi (1,839.58 km) |
| Roquetas de Mar to Olpe | 1,111.19 mi (1,788.28 km) |
| Roquetas de Mar to Olsberg | 1,145.67 mi (1,843.77 km) |
| Roquetas de Mar to Oranienburg | 1,344.60 mi (2,163.92 km) |
| Roquetas de Mar to Ortenberg | 1,103.07 mi (1,775.22 km) |
