| Olesa de Montserrat to Oberriet | 549.29 mi (884.00 km) |
| Olesa de Montserrat to Obersiggenthal | 517.20 mi (832.36 km) |
| Olesa de Montserrat to Oberwil | 497.48 mi (800.61 km) |
| Olesa de Montserrat to Oberwingert | 533.33 mi (858.31 km) |
| Olesa de Montserrat to Oftringen | 496.98 mi (799.81 km) |
| Olesa de Montserrat to Olten | 498.29 mi (801.92 km) |
| Olesa de Montserrat to Onex | 382.75 mi (615.97 km) |
| Olesa de Montserrat to Opfikon | 522.73 mi (841.26 km) |
| Olesa de Montserrat to Ostermundigen | 464.92 mi (748.22 km) |
| Olesa de Montserrat to Payerne | 441.38 mi (710.34 km) |
| Olesa de Montserrat to Pfaffikon | 526.09 mi (846.66 km) |
| Olesa de Montserrat to Plan-les-Ouates | 382.26 mi (615.19 km) |
| Olesa de Montserrat to Pratteln | 501.69 mi (807.38 km) |
| Olesa de Montserrat to Prilly | 416.26 mi (669.90 km) |
| Olesa de Montserrat to Pully | 417.19 mi (671.41 km) |
