| Nida to Orbetello | 991.80 mi (1,596.15 km) |
| Nida to Oria | 1,034.36 mi (1,664.64 km) |
| Nida to Oristano | 1,206.75 mi (1,942.08 km) |
| Nida to Orta Nova | 994.86 mi (1,601.08 km) |
| Nida to Orte | 968.22 mi (1,558.20 km) |
| Nida to Ortona | 943.04 mi (1,517.68 km) |
| Nida to Orvieto | 956.64 mi (1,539.57 km) |
| Nida to Orzinuovi | 838.36 mi (1,349.21 km) |
| Nida to Osimo | 882.75 mi (1,420.64 km) |
| Nida to Ospitaletto | 825.67 mi (1,328.79 km) |
| Nida to Ostuni | 1,018.72 mi (1,639.48 km) |
| Nida to Ottaviano | 1,041.99 mi (1,676.92 km) |
| Nida to Ovada | 916.13 mi (1,474.36 km) |
| Nida to Ozieri | 1,155.05 mi (1,858.88 km) |
| Nida to Paceco | 1,259.93 mi (2,027.66 km) |
