| Bellaire to Orbetello | 5,620.53 mi (9,045.37 km) |
| Bellaire to Oria | 5,969.90 mi (9,607.63 km) |
| Bellaire to Oristano | 5,597.94 mi (9,009.01 km) |
| Bellaire to Orta Nova | 5,855.03 mi (9,422.76 km) |
| Bellaire to Orte | 5,669.90 mi (9,124.82 km) |
| Bellaire to Ortona | 5,759.30 mi (9,268.70 km) |
| Bellaire to Orvieto | 5,648.38 mi (9,090.19 km) |
| Bellaire to Orzinuovi | 5,457.96 mi (8,783.74 km) |
| Bellaire to Osimo | 5,676.84 mi (9,136.00 km) |
| Bellaire to Ospitaletto | 5,458.14 mi (8,784.03 km) |
| Bellaire to Ostuni | 5,958.15 mi (9,588.71 km) |
| Bellaire to Ottaviano | 5,821.68 mi (9,369.10 km) |
| Bellaire to Ovada | 5,431.30 mi (8,740.83 km) |
| Bellaire to Ozieri | 5,591.91 mi (8,999.30 km) |
| Bellaire to Paceco | 5,848.66 mi (9,412.51 km) |
