| Roquetas de Mar to Opwijk | 1,036.98 mi (1,668.86 km) |
| Roquetas de Mar to Ostend | 1,035.62 mi (1,666.67 km) |
| Roquetas de Mar to Oud-Heverlee | 1,036.44 mi (1,667.99 km) |
| Roquetas de Mar to Oud-Turnhout | 1,072.56 mi (1,726.11 km) |
| Roquetas de Mar to Oudenaarde | 1,020.46 mi (1,642.27 km) |
| Roquetas de Mar to Oudenburg | 1,033.87 mi (1,663.85 km) |
| Roquetas de Mar to Oupeye | 1,046.36 mi (1,683.96 km) |
| Roquetas de Mar to Overijse | 1,030.99 mi (1,659.22 km) |
| Roquetas de Mar to Overpelt | 1,073.87 mi (1,728.22 km) |
| Roquetas de Mar to Paal | 1,058.32 mi (1,703.20 km) |
| Roquetas de Mar to Peer | 1,069.27 mi (1,720.83 km) |
| Roquetas de Mar to Pepinster | 1,041.00 mi (1,675.33 km) |
| Roquetas de Mar to Peruwelz | 998.58 mi (1,607.06 km) |
| Roquetas de Mar to Perwez | 1,025.77 mi (1,650.81 km) |
| Roquetas de Mar to Philippeville | 994.25 mi (1,600.09 km) |
