| Castaic to Oschatz | 5,826.93 mi (9,377.53 km) |
| Castaic to Oschersleben | 5,738.43 mi (9,235.12 km) |
| Castaic to Osnabruck | 5,635.91 mi (9,070.13 km) |
| Castaic to Ostbevern | 5,642.67 mi (9,081.00 km) |
| Castaic to Osterburg | 5,711.35 mi (9,191.53 km) |
| Castaic to Ostercappeln | 5,637.65 mi (9,072.92 km) |
| Castaic to Osterhofen | 5,965.74 mi (9,600.93 km) |
| Castaic to Osterholz-Scharmbeck | 5,608.64 mi (9,026.23 km) |
| Castaic to Osternienburg | 5,770.72 mi (9,287.07 km) |
| Castaic to Osterode | 5,726.37 mi (9,215.70 km) |
| Castaic to Osterwieck | 5,726.57 mi (9,216.03 km) |
| Castaic to Ostfildern | 5,854.86 mi (9,422.49 km) |
| Castaic to Osthofen | 5,776.81 mi (9,296.88 km) |
| Castaic to Ostrhauderfehn | 5,581.04 mi (8,981.82 km) |
| Castaic to Ostringen | 5,813.47 mi (9,355.88 km) |
