| Silleda to Oberriet | 923.63 mi (1,486.43 km) |
| Silleda to Obersiggenthal | 869.10 mi (1,398.67 km) |
| Silleda to Oberwil | 836.70 mi (1,346.54 km) |
| Silleda to Oberwingert | 891.07 mi (1,434.04 km) |
| Silleda to Oftringen | 848.95 mi (1,366.26 km) |
| Silleda to Olten | 848.85 mi (1,366.09 km) |
| Silleda to Onex | 745.64 mi (1,200.00 km) |
| Silleda to Opfikon | 880.41 mi (1,416.88 km) |
| Silleda to Ostermundigen | 822.87 mi (1,324.27 km) |
| Silleda to Payerne | 795.01 mi (1,279.45 km) |
| Silleda to Pfaffikon | 888.97 mi (1,430.65 km) |
| Silleda to Plan-les-Ouates | 746.15 mi (1,200.81 km) |
| Silleda to Pratteln | 843.24 mi (1,357.06 km) |
| Silleda to Prilly | 774.67 mi (1,246.72 km) |
| Silleda to Pully | 777.46 mi (1,251.19 km) |
