| Southend to Noventa Vicentina | 657.44 mi (1,058.05 km) |
| Southend to Novi di Modena | 655.83 mi (1,055.45 km) |
| Southend to Novi Ligure | 598.17 mi (962.66 km) |
| Southend to Nuoro | 878.43 mi (1,413.69 km) |
| Southend to Occhiobello | 676.98 mi (1,089.49 km) |
| Southend to Oderzo | 668.01 mi (1,075.05 km) |
| Southend to Oggiono | 559.81 mi (900.93 km) |
| Southend to Olbia | 844.93 mi (1,359.79 km) |
| Southend to Oleggio | 547.28 mi (880.76 km) |
| Southend to Olgiate Comasco | 547.71 mi (881.45 km) |
| Southend to Olgiate Olona | 553.08 mi (890.10 km) |
| Southend to Omegna | 525.46 mi (845.65 km) |
| Southend to Opera | 576.68 mi (928.07 km) |
| Southend to Oppeano | 644.68 mi (1,037.52 km) |
| Southend to Orbassano | 549.84 mi (884.88 km) |
