| Friendly to Orbetello | 4,411.35 mi (7,099.38 km) |
| Friendly to Oria | 4,764.48 mi (7,667.68 km) |
| Friendly to Oristano | 4,379.51 mi (7,048.14 km) |
| Friendly to Orta Nova | 4,649.06 mi (7,481.94 km) |
| Friendly to Orte | 4,462.43 mi (7,181.58 km) |
| Friendly to Ortona | 4,554.55 mi (7,329.84 km) |
| Friendly to Orvieto | 4,441.33 mi (7,147.64 km) |
| Friendly to Orzinuovi | 4,257.13 mi (6,851.20 km) |
| Friendly to Osimo | 4,474.53 mi (7,201.06 km) |
| Friendly to Ospitaletto | 4,258.14 mi (6,852.82 km) |
| Friendly to Ostuni | 4,753.38 mi (7,649.82 km) |
| Friendly to Ottaviano | 4,612.36 mi (7,422.88 km) |
| Friendly to Ovada | 4,225.77 mi (6,800.72 km) |
| Friendly to Ozieri | 4,375.27 mi (7,041.32 km) |
| Friendly to Paceco | 4,630.21 mi (7,451.60 km) |
