| Heum to Noventa Vicentina | 956.19 mi (1,538.84 km) |
| Heum to Novi di Modena | 981.84 mi (1,580.12 km) |
| Heum to Novi Ligure | 992.08 mi (1,596.61 km) |
| Heum to Nuoro | 1,297.92 mi (2,088.81 km) |
| Heum to Occhiobello | 981.27 mi (1,579.21 km) |
| Heum to Oderzo | 925.29 mi (1,489.11 km) |
| Heum to Oggiono | 920.32 mi (1,481.11 km) |
| Heum to Olbia | 1,256.31 mi (2,021.83 km) |
| Heum to Oleggio | 934.45 mi (1,503.86 km) |
| Heum to Olgiate Comasco | 921.00 mi (1,482.20 km) |
| Heum to Olgiate Olona | 931.53 mi (1,499.16 km) |
| Heum to Omegna | 915.95 mi (1,474.07 km) |
| Heum to Opera | 948.14 mi (1,525.89 km) |
| Heum to Oppeano | 954.24 mi (1,535.70 km) |
| Heum to Orbassano | 979.31 mi (1,576.05 km) |
