| Normal to Orbetello | 4,848.84 mi (7,803.45 km) |
| Normal to Oria | 5,190.99 mi (8,354.10 km) |
| Normal to Oristano | 4,845.44 mi (7,797.99 km) |
| Normal to Orta Nova | 5,077.42 mi (8,171.31 km) |
| Normal to Orte | 4,895.35 mi (7,878.31 km) |
| Normal to Ortona | 4,980.55 mi (8,015.42 km) |
| Normal to Orvieto | 4,873.34 mi (7,842.88 km) |
| Normal to Orzinuovi | 4,675.92 mi (7,525.17 km) |
| Normal to Osimo | 4,895.44 mi (7,878.45 km) |
| Normal to Ospitaletto | 4,675.16 mi (7,523.94 km) |
| Normal to Ostuni | 5,178.43 mi (8,333.88 km) |
| Normal to Ottaviano | 5,049.15 mi (8,125.83 km) |
| Normal to Ovada | 4,655.29 mi (7,491.96 km) |
| Normal to Ozieri | 4,834.76 mi (7,780.80 km) |
| Normal to Paceco | 5,094.83 mi (8,199.34 km) |
