| Ferentino to Oberriet | 429.34 mi (690.95 km) |
| Ferentino to Obersiggenthal | 469.15 mi (755.02 km) |
| Ferentino to Oberwil | 490.39 mi (789.21 km) |
| Ferentino to Oberwingert | 459.22 mi (739.05 km) |
| Ferentino to Oftringen | 469.40 mi (755.43 km) |
| Ferentino to Olten | 471.72 mi (759.17 km) |
| Ferentino to Onex | 472.14 mi (759.83 km) |
| Ferentino to Opfikon | 459.14 mi (738.91 km) |
| Ferentino to Ostermundigen | 462.07 mi (743.63 km) |
| Ferentino to Payerne | 472.48 mi (760.38 km) |
| Ferentino to Pfaffikon | 449.94 mi (724.11 km) |
| Ferentino to Plan-les-Ouates | 470.80 mi (757.68 km) |
| Ferentino to Pratteln | 486.54 mi (783.00 km) |
| Ferentino to Prilly | 469.92 mi (756.27 km) |
| Ferentino to Pully | 466.83 mi (751.28 km) |
