| Domodossola to Navodari | 994.05 mi (1,599.77 km) |
| Domodossola to Negresti-Oas | 722.19 mi (1,162.25 km) |
| Domodossola to Nehoiu | 868.47 mi (1,397.67 km) |
| Domodossola to Ocna Mures | 742.86 mi (1,195.52 km) |
| Domodossola to Odobesti | 900.34 mi (1,448.95 km) |
| Domodossola to Odorheiu Secuiesc | 811.82 mi (1,306.49 km) |
| Domodossola to Oltenita | 903.54 mi (1,454.11 km) |
| Domodossola to Onesti | 881.92 mi (1,419.32 km) |
| Domodossola to Oradea | 649.66 mi (1,045.52 km) |
| Domodossola to Orastie | 714.98 mi (1,150.64 km) |
| Domodossola to Oravita | 651.22 mi (1,048.03 km) |
| Domodossola to Orsova | 689.82 mi (1,110.16 km) |
| Domodossola to Otelu Rosu | 677.50 mi (1,090.34 km) |
| Domodossola to Otopeni | 868.45 mi (1,397.63 km) |
| Domodossola to Ovidiu | 992.38 mi (1,597.08 km) |
