| Derry to Noventa Vicentina | 1,065.86 mi (1,715.34 km) |
| Derry to Novi di Modena | 1,064.25 mi (1,712.74 km) |
| Derry to Novi Ligure | 1,003.18 mi (1,614.46 km) |
| Derry to Nuoro | 1,269.97 mi (2,043.82 km) |
| Derry to Occhiobello | 1,085.51 mi (1,746.96 km) |
| Derry to Oderzo | 1,074.79 mi (1,729.70 km) |
| Derry to Oggiono | 967.97 mi (1,557.80 km) |
| Derry to Olbia | 1,239.48 mi (1,994.74 km) |
| Derry to Oleggio | 954.14 mi (1,535.55 km) |
| Derry to Olgiate Comasco | 955.46 mi (1,537.67 km) |
| Derry to Olgiate Olona | 960.45 mi (1,545.70 km) |
| Derry to Omegna | 932.53 mi (1,500.76 km) |
| Derry to Opera | 984.09 mi (1,583.74 km) |
| Derry to Oppeano | 1,053.20 mi (1,694.96 km) |
| Derry to Orbassano | 951.47 mi (1,531.24 km) |
