| Castagneto Carducci to Olivenza | 972.30 mi (1,564.77 km) |
| Castagneto Carducci to Olot | 417.43 mi (671.79 km) |
| Castagneto Carducci to Onate | 656.09 mi (1,055.87 km) |
| Castagneto Carducci to Onda | 603.11 mi (970.61 km) |
| Castagneto Carducci to Onteniente | 656.27 mi (1,056.16 km) |
| Castagneto Carducci to Orihuela | 699.00 mi (1,124.94 km) |
| Castagneto Carducci to Osuna | 922.40 mi (1,484.46 km) |
| Castagneto Carducci to Ourense | 936.60 mi (1,507.31 km) |
| Castagneto Carducci to Oviedo | 826.19 mi (1,329.62 km) |
| Castagneto Carducci to Paiporta | 626.93 mi (1,008.95 km) |
| Castagneto Carducci to Pajara | 1,711.21 mi (2,753.93 km) |
| Castagneto Carducci to Palafolls | 413.36 mi (665.23 km) |
| Castagneto Carducci to Palafrugell | 388.16 mi (624.68 km) |
| Castagneto Carducci to Palamos | 391.19 mi (629.56 km) |
| Castagneto Carducci to Palencia | 772.79 mi (1,243.69 km) |
