| Sasso Marconi to Oerlinghausen | 536.09 mi (862.75 km) |
| Sasso Marconi to Oestrich-Winkel | 415.81 mi (669.19 km) |
| Sasso Marconi to Offenburg | 322.25 mi (518.61 km) |
| Sasso Marconi to Oftersheim | 365.71 mi (588.55 km) |
| Sasso Marconi to Ohrdruf | 444.79 mi (715.82 km) |
| Sasso Marconi to Ohringen | 341.79 mi (550.06 km) |
| Sasso Marconi to Olbernhau | 443.71 mi (714.08 km) |
| Sasso Marconi to Olching | 262.57 mi (422.57 km) |
| Sasso Marconi to Oldenburg | 619.61 mi (997.17 km) |
| Sasso Marconi to Oldenburg in Holstein | 684.22 mi (1,101.15 km) |
| Sasso Marconi to Olfen | 535.95 mi (862.52 km) |
| Sasso Marconi to Olpe | 483.84 mi (778.67 km) |
| Sasso Marconi to Olsberg | 496.93 mi (799.72 km) |
| Sasso Marconi to Oranienburg | 584.27 mi (940.30 km) |
| Sasso Marconi to Ortenberg | 424.07 mi (682.48 km) |
