| Illzach to Novi di Modena | 261.79 mi (421.30 km) |
| Illzach to Novi Ligure | 219.85 mi (353.82 km) |
| Illzach to Nuoro | 525.10 mi (845.07 km) |
| Illzach to Occhiobello | 282.44 mi (454.55 km) |
| Illzach to Oderzo | 279.87 mi (450.40 km) |
| Illzach to Oggiono | 167.45 mi (269.49 km) |
| Illzach to Olbia | 486.07 mi (782.26 km) |
| Illzach to Oleggio | 162.61 mi (261.69 km) |
| Illzach to Olgiate Comasco | 157.91 mi (254.14 km) |
| Illzach to Olgiate Olona | 165.32 mi (266.06 km) |
| Illzach to Omegna | 140.76 mi (226.52 km) |
| Illzach to Opera | 187.99 mi (302.54 km) |
| Illzach to Oppeano | 250.21 mi (402.68 km) |
| Illzach to Orbassano | 191.94 mi (308.89 km) |
| Illzach to Orbetello | 414.33 mi (666.80 km) |
