| Mentana to Oberriet | 396.20 mi (637.63 km) |
| Mentana to Obersiggenthal | 434.08 mi (698.58 km) |
| Mentana to Oberwil | 454.44 mi (731.35 km) |
| Mentana to Oberwingert | 424.92 mi (683.84 km) |
| Mentana to Oftringen | 433.63 mi (697.85 km) |
| Mentana to Olten | 435.97 mi (701.62 km) |
| Mentana to Onex | 433.90 mi (698.29 km) |
| Mentana to Opfikon | 424.40 mi (683.01 km) |
| Mentana to Ostermundigen | 425.38 mi (684.59 km) |
| Mentana to Payerne | 435.17 mi (700.34 km) |
| Mentana to Pfaffikon | 415.45 mi (668.61 km) |
| Mentana to Plan-les-Ouates | 432.55 mi (696.13 km) |
| Mentana to Pratteln | 450.75 mi (725.41 km) |
| Mentana to Prilly | 432.14 mi (695.46 km) |
| Mentana to Pully | 429.07 mi (690.52 km) |
