| Santander to Noventa Vicentina | 766.68 mi (1,233.86 km) |
| Santander to Novi di Modena | 734.35 mi (1,181.82 km) |
| Santander to Novi Ligure | 630.34 mi (1,014.43 km) |
| Santander to Nuoro | 708.97 mi (1,140.97 km) |
| Santander to Occhiobello | 767.69 mi (1,235.47 km) |
| Santander to Oderzo | 815.81 mi (1,312.92 km) |
| Santander to Oggiono | 665.64 mi (1,071.25 km) |
| Santander to Olbia | 702.61 mi (1,130.75 km) |
| Santander to Oleggio | 629.47 mi (1,013.04 km) |
| Santander to Olgiate Comasco | 647.43 mi (1,041.93 km) |
| Santander to Olgiate Olona | 641.77 mi (1,032.82 km) |
| Santander to Omegna | 622.11 mi (1,001.20 km) |
| Santander to Opera | 655.35 mi (1,054.68 km) |
| Santander to Oppeano | 749.80 mi (1,206.69 km) |
| Santander to Orbassano | 571.02 mi (918.97 km) |
