| Rocklin to Oerlinghausen | 5,479.54 mi (8,818.47 km) |
| Rocklin to Oestrich-Winkel | 5,569.54 mi (8,963.30 km) |
| Rocklin to Offenburg | 5,651.57 mi (9,095.32 km) |
| Rocklin to Oftersheim | 5,619.95 mi (9,044.44 km) |
| Rocklin to Ohrdruf | 5,595.83 mi (9,005.62 km) |
| Rocklin to Ohringen | 5,654.16 mi (9,099.49 km) |
| Rocklin to Olbernhau | 5,670.16 mi (9,125.25 km) |
| Rocklin to Olching | 5,758.72 mi (9,267.77 km) |
| Rocklin to Oldenburg | 5,403.55 mi (8,696.17 km) |
| Rocklin to Oldenburg in Holstein | 5,405.56 mi (8,699.41 km) |
| Rocklin to Olfen | 5,459.52 mi (8,786.25 km) |
| Rocklin to Olpe | 5,509.55 mi (8,866.77 km) |
| Rocklin to Olsberg | 5,508.56 mi (8,865.18 km) |
| Rocklin to Oranienburg | 5,548.55 mi (8,929.52 km) |
| Rocklin to Ortenberg | 5,578.34 mi (8,977.47 km) |
