| Kladovo to Oerlinghausen | 815.94 mi (1,313.13 km) |
| Kladovo to Oestrich-Winkel | 777.49 mi (1,251.25 km) |
| Kladovo to Offenburg | 745.29 mi (1,199.43 km) |
| Kladovo to Oftersheim | 736.88 mi (1,185.90 km) |
| Kladovo to Ohrdruf | 698.33 mi (1,123.85 km) |
| Kladovo to Ohringen | 694.20 mi (1,117.21 km) |
| Kladovo to Olbernhau | 600.74 mi (966.79 km) |
| Kladovo to Olching | 591.80 mi (952.41 km) |
| Kladovo to Oldenburg | 877.96 mi (1,412.94 km) |
| Kladovo to Oldenburg in Holstein | 849.81 mi (1,367.64 km) |
| Kladovo to Olfen | 853.94 mi (1,374.29 km) |
| Kladovo to Olpe | 813.99 mi (1,309.99 km) |
| Kladovo to Olsberg | 800.32 mi (1,288.00 km) |
| Kladovo to Oranienburg | 705.79 mi (1,135.85 km) |
| Kladovo to Ortenberg | 745.56 mi (1,199.86 km) |
