| Whitstable to Orbetello | 780.29 mi (1,255.75 km) |
| Whitstable to Oria | 1,090.75 mi (1,755.40 km) |
| Whitstable to Oristano | 870.69 mi (1,401.24 km) |
| Whitstable to Orta Nova | 981.87 mi (1,580.17 km) |
| Whitstable to Orte | 814.03 mi (1,310.05 km) |
| Whitstable to Ortona | 884.49 mi (1,423.46 km) |
| Whitstable to Orvieto | 791.35 mi (1,273.55 km) |
| Whitstable to Orzinuovi | 579.49 mi (932.59 km) |
| Whitstable to Osimo | 795.13 mi (1,279.64 km) |
| Whitstable to Ospitaletto | 576.07 mi (927.09 km) |
| Whitstable to Ostuni | 1,076.90 mi (1,733.11 km) |
| Whitstable to Ottaviano | 967.84 mi (1,557.60 km) |
| Whitstable to Ovada | 582.28 mi (937.09 km) |
| Whitstable to Ozieri | 836.16 mi (1,345.66 km) |
| Whitstable to Paceco | 1,081.06 mi (1,739.79 km) |
