| Ruffano to Oerlinghausen | 945.40 mi (1,521.47 km) |
| Ruffano to Oestrich-Winkel | 852.61 mi (1,372.14 km) |
| Ruffano to Offenburg | 776.09 mi (1,249.00 km) |
| Ruffano to Oftersheim | 802.45 mi (1,291.42 km) |
| Ruffano to Ohrdruf | 832.29 mi (1,339.44 km) |
| Ruffano to Ohringen | 767.55 mi (1,235.26 km) |
| Ruffano to Olbernhau | 775.39 mi (1,247.86 km) |
| Ruffano to Olching | 663.20 mi (1,067.32 km) |
| Ruffano to Oldenburg | 1,024.44 mi (1,648.68 km) |
| Ruffano to Oldenburg in Holstein | 1,046.64 mi (1,684.41 km) |
| Ruffano to Olfen | 962.45 mi (1,548.91 km) |
| Ruffano to Olpe | 912.16 mi (1,467.98 km) |
| Ruffano to Olsberg | 914.26 mi (1,471.37 km) |
| Ruffano to Oranienburg | 913.62 mi (1,470.33 km) |
| Ruffano to Ortenberg | 843.68 mi (1,357.76 km) |
