| Santander to Oberriet | 700.17 mi (1,126.82 km) |
| Santander to Obersiggenthal | 647.76 mi (1,042.47 km) |
| Santander to Oberwil | 616.50 mi (992.16 km) |
| Santander to Oberwingert | 669.33 mi (1,077.19 km) |
| Santander to Oftringen | 627.16 mi (1,009.32 km) |
| Santander to Olten | 627.26 mi (1,009.47 km) |
| Santander to Onex | 520.09 mi (837.00 km) |
| Santander to Opfikon | 658.47 mi (1,059.71 km) |
| Santander to Ostermundigen | 599.68 mi (965.09 km) |
| Santander to Payerne | 571.73 mi (920.12 km) |
| Santander to Pfaffikon | 666.47 mi (1,072.57 km) |
| Santander to Plan-les-Ouates | 520.50 mi (837.67 km) |
| Santander to Pratteln | 622.85 mi (1,002.38 km) |
| Santander to Prilly | 550.31 mi (885.64 km) |
| Santander to Pully | 552.94 mi (889.88 km) |
