| Oxnard to Oerlinghausen | 5,702.27 mi (9,176.91 km) |
| Oxnard to Oestrich-Winkel | 5,785.09 mi (9,310.20 km) |
| Oxnard to Offenburg | 5,862.45 mi (9,434.70 km) |
| Oxnard to Oftersheim | 5,835.01 mi (9,390.55 km) |
| Oxnard to Ohrdruf | 5,819.89 mi (9,366.21 km) |
| Oxnard to Ohringen | 5,870.86 mi (9,448.24 km) |
| Oxnard to Olbernhau | 5,899.62 mi (9,494.53 km) |
| Oxnard to Olching | 5,976.95 mi (9,618.97 km) |
| Oxnard to Oldenburg | 5,628.69 mi (9,058.50 km) |
| Oxnard to Oldenburg in Holstein | 5,639.33 mi (9,075.63 km) |
| Oxnard to Olfen | 5,678.76 mi (9,139.08 km) |
| Oxnard to Olpe | 5,727.71 mi (9,217.87 km) |
| Oxnard to Olsberg | 5,729.12 mi (9,220.13 km) |
| Oxnard to Oranienburg | 5,783.12 mi (9,307.03 km) |
| Oxnard to Ortenberg | 5,797.32 mi (9,329.88 km) |
