| Oxnard to Orbetello | 6,282.94 mi (10,111.41 km) |
| Oxnard to Oria | 6,589.41 mi (10,604.62 km) |
| Oxnard to Oristano | 6,329.59 mi (10,186.49 km) |
| Oxnard to Orta Nova | 6,484.57 mi (10,435.91 km) |
| Oxnard to Orte | 6,319.18 mi (10,169.73 km) |
| Oxnard to Ortona | 6,387.83 mi (10,280.22 km) |
| Oxnard to Orvieto | 6,296.49 mi (10,133.22 km) |
| Oxnard to Orzinuovi | 6,084.60 mi (9,792.21 km) |
| Oxnard to Osimo | 6,297.41 mi (10,134.70 km) |
| Oxnard to Ospitaletto | 6,080.72 mi (9,785.97 km) |
| Oxnard to Ostuni | 6,574.66 mi (10,580.89 km) |
| Oxnard to Ottaviano | 6,473.17 mi (10,417.57 km) |
| Oxnard to Ovada | 6,083.91 mi (9,791.11 km) |
| Oxnard to Ozieri | 6,308.18 mi (10,152.03 km) |
| Oxnard to Paceco | 6,567.44 mi (10,569.27 km) |
