| Calarasi to Oerlinghausen | 1,010.61 mi (1,626.41 km) |
| Calarasi to Oestrich-Winkel | 989.98 mi (1,593.21 km) |
| Calarasi to Offenburg | 968.23 mi (1,558.21 km) |
| Calarasi to Oftersheim | 953.06 mi (1,533.80 km) |
| Calarasi to Ohrdruf | 896.94 mi (1,443.49 km) |
| Calarasi to Ohringen | 910.16 mi (1,464.76 km) |
| Calarasi to Olbernhau | 790.29 mi (1,271.85 km) |
| Calarasi to Olching | 812.44 mi (1,307.49 km) |
| Calarasi to Oldenburg | 1,063.66 mi (1,711.79 km) |
| Calarasi to Oldenburg in Holstein | 1,013.93 mi (1,631.77 km) |
| Calarasi to Olfen | 1,054.19 mi (1,696.56 km) |
| Calarasi to Olpe | 1,018.88 mi (1,639.72 km) |
| Calarasi to Olsberg | 1,000.87 mi (1,610.75 km) |
| Calarasi to Oranienburg | 872.52 mi (1,404.19 km) |
| Calarasi to Ortenberg | 953.12 mi (1,533.90 km) |
