| Velletri to Olivenza | 1,067.20 mi (1,717.49 km) |
| Velletri to Olot | 530.08 mi (853.07 km) |
| Velletri to Onate | 780.79 mi (1,256.55 km) |
| Velletri to Onda | 691.65 mi (1,113.10 km) |
| Velletri to Onteniente | 732.17 mi (1,178.31 km) |
| Velletri to Orihuela | 767.91 mi (1,235.82 km) |
| Velletri to Osuna | 999.90 mi (1,609.18 km) |
| Velletri to Ourense | 1,058.51 mi (1,703.50 km) |
| Velletri to Oviedo | 953.90 mi (1,535.16 km) |
| Velletri to Paiporta | 709.39 mi (1,141.65 km) |
| Velletri to Pajara | 1,766.68 mi (2,843.19 km) |
| Velletri to Palafolls | 517.53 mi (832.88 km) |
| Velletri to Palafrugell | 495.62 mi (797.62 km) |
| Velletri to Palamos | 497.50 mi (800.66 km) |
| Velletri to Palencia | 890.16 mi (1,432.57 km) |
