| New Milton to Orbetello | 836.47 mi (1,346.17 km) |
| New Milton to Oria | 1,164.81 mi (1,874.59 km) |
| New Milton to Oristano | 898.07 mi (1,445.31 km) |
| New Milton to Orta Nova | 1,052.75 mi (1,694.24 km) |
| New Milton to Orte | 876.43 mi (1,410.48 km) |
| New Milton to Ortona | 955.31 mi (1,537.43 km) |
| New Milton to Orvieto | 853.88 mi (1,374.19 km) |
| New Milton to Orzinuovi | 649.25 mi (1,044.87 km) |
| New Milton to Osimo | 868.53 mi (1,397.77 km) |
| New Milton to Ospitaletto | 647.89 mi (1,042.69 km) |
| New Milton to Ostuni | 1,151.79 mi (1,853.62 km) |
| New Milton to Ottaviano | 1,031.45 mi (1,659.96 km) |
| New Milton to Ovada | 637.77 mi (1,026.39 km) |
| New Milton to Ozieri | 869.21 mi (1,398.85 km) |
| New Milton to Paceco | 1,123.40 mi (1,807.93 km) |
