| Ladera Ranch to Oerlinghausen | 5,697.31 mi (9,168.93 km) |
| Ladera Ranch to Oestrich-Winkel | 5,777.30 mi (9,297.67 km) |
| Ladera Ranch to Offenburg | 5,852.82 mi (9,419.20 km) |
| Ladera Ranch to Oftersheim | 5,826.98 mi (9,377.62 km) |
| Ladera Ranch to Ohrdruf | 5,815.32 mi (9,358.85 km) |
| Ladera Ranch to Ohringen | 5,863.41 mi (9,436.25 km) |
| Ladera Ranch to Olbernhau | 5,897.08 mi (9,490.43 km) |
| Ladera Ranch to Olching | 5,969.95 mi (9,607.70 km) |
| Ladera Ranch to Oldenburg | 5,624.75 mi (9,052.16 km) |
| Ladera Ranch to Oldenburg in Holstein | 5,638.80 mi (9,074.77 km) |
| Ladera Ranch to Olfen | 5,672.48 mi (9,128.98 km) |
| Ladera Ranch to Olpe | 5,720.98 mi (9,207.02 km) |
| Ladera Ranch to Olsberg | 5,723.30 mi (9,210.76 km) |
| Ladera Ranch to Oranienburg | 5,782.75 mi (9,306.44 km) |
| Ladera Ranch to Ortenberg | 5,790.81 mi (9,319.41 km) |
