| Mold to Olivares | 1,097.76 mi (1,766.67 km) |
| Mold to Olivenza | 1,018.09 mi (1,638.46 km) |
| Mold to Olot | 802.09 mi (1,290.84 km) |
| Mold to Onate | 700.87 mi (1,127.94 km) |
| Mold to Onda | 922.20 mi (1,484.14 km) |
| Mold to Onteniente | 998.29 mi (1,606.59 km) |
| Mold to Orihuela | 1,047.17 mi (1,685.25 km) |
| Mold to Osuna | 1,104.89 mi (1,778.15 km) |
| Mold to Ourense | 779.41 mi (1,254.35 km) |
| Mold to Oviedo | 688.78 mi (1,108.49 km) |
| Mold to Paiporta | 957.84 mi (1,541.50 km) |
| Mold to Pajara | 1,803.36 mi (2,902.23 km) |
| Mold to Palafolls | 839.92 mi (1,351.72 km) |
| Mold to Palafrugell | 830.04 mi (1,335.82 km) |
| Mold to Palamos | 834.18 mi (1,342.48 km) |
