| Herne Bay to Orbetello | 777.77 mi (1,251.70 km) |
| Herne Bay to Oria | 1,087.55 mi (1,750.25 km) |
| Herne Bay to Oristano | 869.17 mi (1,398.80 km) |
| Herne Bay to Orta Nova | 978.79 mi (1,575.22 km) |
| Herne Bay to Orte | 811.28 mi (1,305.63 km) |
| Herne Bay to Ortona | 881.44 mi (1,418.54 km) |
| Herne Bay to Orvieto | 788.60 mi (1,269.14 km) |
| Herne Bay to Orzinuovi | 576.57 mi (927.90 km) |
| Herne Bay to Osimo | 792.01 mi (1,274.61 km) |
| Herne Bay to Ospitaletto | 573.08 mi (922.28 km) |
| Herne Bay to Ostuni | 1,073.67 mi (1,727.91 km) |
| Herne Bay to Ottaviano | 965.02 mi (1,553.05 km) |
| Herne Bay to Ovada | 579.88 mi (933.23 km) |
| Herne Bay to Ozieri | 834.45 mi (1,342.92 km) |
| Herne Bay to Paceco | 1,078.95 mi (1,736.41 km) |
