| Domodossola to Novi di Modena | 152.00 mi (244.63 km) |
| Domodossola to Novi Ligure | 96.77 mi (155.73 km) |
| Domodossola to Nuoro | 404.11 mi (650.35 km) |
| Domodossola to Occhiobello | 179.37 mi (288.67 km) |
| Domodossola to Oderzo | 203.15 mi (326.95 km) |
| Domodossola to Oggiono | 55.82 mi (89.84 km) |
| Domodossola to Olbia | 364.30 mi (586.29 km) |
| Domodossola to Oleggio | 39.28 mi (63.21 km) |
| Domodossola to Olgiate Comasco | 39.78 mi (64.01 km) |
| Domodossola to Olgiate Olona | 43.87 mi (70.60 km) |
| Domodossola to Omegna | 17.36 mi (27.94 km) |
| Domodossola to Opera | 67.49 mi (108.61 km) |
| Domodossola to Oppeano | 150.50 mi (242.20 km) |
| Domodossola to Orbassano | 84.85 mi (136.56 km) |
| Domodossola to Orbetello | 292.21 mi (470.27 km) |
