| Coos Bay to Orbetello | 5,896.40 mi (9,489.34 km) |
| Coos Bay to Oria | 6,173.55 mi (9,935.37 km) |
| Coos Bay to Oristano | 5,974.32 mi (9,614.74 km) |
| Coos Bay to Orta Nova | 6,076.54 mi (9,779.24 km) |
| Coos Bay to Orte | 5,925.44 mi (9,536.07 km) |
| Coos Bay to Ortona | 5,982.52 mi (9,627.93 km) |
| Coos Bay to Orvieto | 5,902.98 mi (9,499.92 km) |
| Coos Bay to Orzinuovi | 5,688.50 mi (9,154.76 km) |
| Coos Bay to Osimo | 5,891.54 mi (9,481.52 km) |
| Coos Bay to Ospitaletto | 5,682.94 mi (9,145.80 km) |
| Coos Bay to Ostuni | 6,157.97 mi (9,910.30 km) |
| Coos Bay to Ottaviano | 6,075.33 mi (9,777.30 km) |
| Coos Bay to Ovada | 5,699.61 mi (9,172.63 km) |
| Coos Bay to Ozieri | 5,946.16 mi (9,569.43 km) |
| Coos Bay to Paceco | 6,197.82 mi (9,974.43 km) |
