| Rionero in Vulture to Oerlinghausen | 832.12 mi (1,339.16 km) |
| Rionero in Vulture to Oestrich-Winkel | 728.45 mi (1,172.33 km) |
| Rionero in Vulture to Offenburg | 644.58 mi (1,037.35 km) |
| Rionero in Vulture to Oftersheim | 677.75 mi (1,090.74 km) |
| Rionero in Vulture to Ohrdruf | 724.36 mi (1,165.74 km) |
| Rionero in Vulture to Ohringen | 646.11 mi (1,039.82 km) |
| Rionero in Vulture to Olbernhau | 682.88 mi (1,098.99 km) |
| Rionero in Vulture to Olching | 546.67 mi (879.78 km) |
| Rionero in Vulture to Oldenburg | 913.63 mi (1,470.35 km) |
| Rionero in Vulture to Oldenburg in Holstein | 950.61 mi (1,529.86 km) |
| Rionero in Vulture to Olfen | 843.18 mi (1,356.96 km) |
| Rionero in Vulture to Olpe | 791.74 mi (1,274.18 km) |
| Rionero in Vulture to Olsberg | 797.80 mi (1,283.93 km) |
| Rionero in Vulture to Oranienburg | 825.80 mi (1,329.00 km) |
| Rionero in Vulture to Ortenberg | 725.49 mi (1,167.57 km) |
