| Diyadin to Noventa Vicentina | 1,675.08 mi (2,695.78 km) |
| Diyadin to Novi di Modena | 1,705.17 mi (2,744.21 km) |
| Diyadin to Novi Ligure | 1,808.83 mi (2,911.03 km) |
| Diyadin to Nuoro | 1,808.99 mi (2,911.29 km) |
| Diyadin to Occhiobello | 1,671.93 mi (2,690.72 km) |
| Diyadin to Oderzo | 1,630.62 mi (2,624.23 km) |
| Diyadin to Oggiono | 1,781.86 mi (2,867.63 km) |
| Diyadin to Olbia | 1,793.91 mi (2,887.02 km) |
| Diyadin to Oleggio | 1,816.18 mi (2,922.86 km) |
| Diyadin to Olgiate Comasco | 1,800.33 mi (2,897.34 km) |
| Diyadin to Olgiate Olona | 1,804.14 mi (2,903.48 km) |
| Diyadin to Omegna | 1,827.41 mi (2,940.93 km) |
| Diyadin to Opera | 1,787.74 mi (2,877.09 km) |
| Diyadin to Oppeano | 1,692.12 mi (2,723.21 km) |
| Diyadin to Orbassano | 1,869.64 mi (3,008.89 km) |
