| Santarem to Oberriet | 1,070.72 mi (1,723.16 km) |
| Santarem to Obersiggenthal | 1,022.46 mi (1,645.50 km) |
| Santarem to Oberwil | 993.07 mi (1,598.19 km) |
| Santarem to Oberwingert | 1,043.20 mi (1,678.87 km) |
| Santarem to Oftringen | 1,001.45 mi (1,611.68 km) |
| Santarem to Olten | 1,001.84 mi (1,612.30 km) |
| Santarem to Onex | 888.93 mi (1,430.60 km) |
| Santarem to Opfikon | 1,032.16 mi (1,661.10 km) |
| Santarem to Ostermundigen | 972.07 mi (1,564.39 km) |
| Santarem to Payerne | 944.38 mi (1,519.83 km) |
| Santarem to Pfaffikon | 1,039.15 mi (1,672.34 km) |
| Santarem to Plan-les-Ouates | 889.11 mi (1,430.89 km) |
| Santarem to Pratteln | 999.11 mi (1,607.91 km) |
| Santarem to Prilly | 921.26 mi (1,482.62 km) |
| Santarem to Pully | 923.53 mi (1,486.29 km) |
