| Delfzijl to Noventa Vicentina | 593.50 mi (955.14 km) |
| Delfzijl to Novi di Modena | 610.10 mi (981.86 km) |
| Delfzijl to Novi Ligure | 598.37 mi (962.99 km) |
| Delfzijl to Nuoro | 906.45 mi (1,458.79 km) |
| Delfzijl to Occhiobello | 617.94 mi (994.47 km) |
| Delfzijl to Oderzo | 578.16 mi (930.46 km) |
| Delfzijl to Oggiono | 532.85 mi (857.54 km) |
| Delfzijl to Olbia | 866.31 mi (1,394.19 km) |
| Delfzijl to Oleggio | 539.81 mi (868.74 km) |
| Delfzijl to Olgiate Comasco | 529.62 mi (852.35 km) |
| Delfzijl to Olgiate Olona | 539.24 mi (867.82 km) |
| Delfzijl to Omegna | 519.38 mi (835.86 km) |
| Delfzijl to Opera | 558.88 mi (899.43 km) |
| Delfzijl to Oppeano | 587.10 mi (944.85 km) |
| Delfzijl to Orbassano | 575.95 mi (926.90 km) |
