| Viera West to Orbetello | 5,023.68 mi (8,084.83 km) |
| Viera West to Oria | 5,381.50 mi (8,660.69 km) |
| Viera West to Oristano | 4,964.32 mi (7,989.31 km) |
| Viera West to Orta Nova | 5,266.11 mi (8,474.98 km) |
| Viera West to Orte | 5,078.14 mi (8,172.48 km) |
| Viera West to Ortona | 5,175.07 mi (8,328.46 km) |
| Viera West to Orvieto | 5,058.20 mi (8,140.38 km) |
| Viera West to Orzinuovi | 4,888.21 mi (7,866.81 km) |
| Viera West to Osimo | 5,100.61 mi (8,208.65 km) |
| Viera West to Ospitaletto | 4,890.67 mi (7,870.77 km) |
| Viera West to Ostuni | 5,371.86 mi (8,645.18 km) |
| Viera West to Ottaviano | 5,222.29 mi (8,404.46 km) |
| Viera West to Ovada | 4,848.13 mi (7,802.32 km) |
| Viera West to Ozieri | 4,966.84 mi (7,993.36 km) |
| Viera West to Paceco | 5,212.24 mi (8,388.29 km) |
