| Domodossola to Oerlinghausen | 404.59 mi (651.13 km) |
| Domodossola to Oestrich-Winkel | 268.69 mi (432.41 km) |
| Domodossola to Offenburg | 163.27 mi (262.76 km) |
| Domodossola to Oftersheim | 225.28 mi (362.55 km) |
| Domodossola to Ohrdruf | 344.19 mi (553.93 km) |
| Domodossola to Ohringen | 220.37 mi (354.65 km) |
| Domodossola to Olbernhau | 390.15 mi (627.89 km) |
| Domodossola to Olching | 202.30 mi (325.57 km) |
| Domodossola to Oldenburg | 485.59 mi (781.48 km) |
| Domodossola to Oldenburg in Holstein | 576.85 mi (928.35 km) |
| Domodossola to Olfen | 389.14 mi (626.27 km) |
| Domodossola to Olpe | 339.24 mi (545.96 km) |
| Domodossola to Olsberg | 361.73 mi (582.15 km) |
| Domodossola to Oranienburg | 509.37 mi (819.75 km) |
| Domodossola to Ortenberg | 295.03 mi (474.81 km) |
