| Formello to Olivenza | 1,050.31 mi (1,690.31 km) |
| Formello to Olot | 507.59 mi (816.89 km) |
| Formello to Onate | 755.93 mi (1,216.56 km) |
| Formello to Onda | 675.52 mi (1,087.14 km) |
| Formello to Onteniente | 719.16 mi (1,157.38 km) |
| Formello to Orihuela | 756.66 mi (1,217.73 km) |
| Formello to Osuna | 987.15 mi (1,588.67 km) |
| Formello to Ourense | 1,034.70 mi (1,665.19 km) |
| Formello to Oviedo | 928.44 mi (1,494.18 km) |
| Formello to Paiporta | 694.76 mi (1,118.11 km) |
| Formello to Pajara | 1,760.02 mi (2,832.49 km) |
| Formello to Palafolls | 496.98 mi (799.82 km) |
| Formello to Palafrugell | 474.19 mi (763.13 km) |
| Formello to Palamos | 476.35 mi (766.61 km) |
| Formello to Palencia | 867.37 mi (1,395.89 km) |
