| Viera East to Orbetello | 5,021.92 mi (8,082.00 km) |
| Viera East to Oria | 5,379.74 mi (8,657.86 km) |
| Viera East to Oristano | 4,962.56 mi (7,986.47 km) |
| Viera East to Orta Nova | 5,264.35 mi (8,472.15 km) |
| Viera East to Orte | 5,076.38 mi (8,169.65 km) |
| Viera East to Ortona | 5,173.31 mi (8,325.64 km) |
| Viera East to Orvieto | 5,056.44 mi (8,137.56 km) |
| Viera East to Orzinuovi | 4,886.45 mi (7,863.99 km) |
| Viera East to Osimo | 5,098.86 mi (8,205.82 km) |
| Viera East to Ospitaletto | 4,888.92 mi (7,867.95 km) |
| Viera East to Ostuni | 5,370.11 mi (8,642.35 km) |
| Viera East to Ottaviano | 5,220.52 mi (8,401.62 km) |
| Viera East to Ovada | 4,846.38 mi (7,799.49 km) |
| Viera East to Ozieri | 4,965.08 mi (7,990.52 km) |
| Viera East to Paceco | 5,210.47 mi (8,385.45 km) |
