| Simmerath to Oberriet | 270.93 mi (436.02 km) |
| Simmerath to Obersiggenthal | 233.23 mi (375.35 km) |
| Simmerath to Oberwil | 220.69 mi (355.16 km) |
| Simmerath to Oberwingert | 240.54 mi (387.11 km) |
| Simmerath to Oftringen | 238.40 mi (383.68 km) |
| Simmerath to Olten | 235.98 mi (379.77 km) |
| Simmerath to Onex | 305.30 mi (491.34 km) |
| Simmerath to Opfikon | 241.68 mi (388.95 km) |
| Simmerath to Ostermundigen | 257.60 mi (414.56 km) |
| Simmerath to Payerne | 262.99 mi (423.24 km) |
| Simmerath to Pfaffikon | 250.14 mi (402.57 km) |
| Simmerath to Plan-les-Ouates | 306.43 mi (493.15 km) |
| Simmerath to Pratteln | 222.26 mi (357.69 km) |
| Simmerath to Prilly | 281.32 mi (452.73 km) |
| Simmerath to Pully | 282.63 mi (454.84 km) |
