| Trencin to Oberriet | 405.44 mi (652.50 km) |
| Trencin to Obersiggenthal | 458.89 mi (738.51 km) |
| Trencin to Oberwil | 491.59 mi (791.14 km) |
| Trencin to Oberwingert | 436.91 mi (703.14 km) |
| Trencin to Oftringen | 479.05 mi (770.95 km) |
| Trencin to Olten | 479.13 mi (771.09 km) |
| Trencin to Onex | 586.66 mi (944.13 km) |
| Trencin to Opfikon | 447.60 mi (720.34 km) |
| Trencin to Ostermundigen | 505.88 mi (814.14 km) |
| Trencin to Payerne | 533.83 mi (859.11 km) |
| Trencin to Pfaffikon | 439.25 mi (706.90 km) |
| Trencin to Plan-les-Ouates | 586.37 mi (943.67 km) |
| Trencin to Pratteln | 484.98 mi (780.50 km) |
| Trencin to Prilly | 555.47 mi (893.94 km) |
| Trencin to Pully | 552.93 mi (889.86 km) |
