| Worthing to Orbetello | 796.30 mi (1,281.52 km) |
| Worthing to Oria | 1,119.05 mi (1,800.94 km) |
| Worthing to Oristano | 868.86 mi (1,398.30 km) |
| Worthing to Orta Nova | 1,007.91 mi (1,622.08 km) |
| Worthing to Orte | 834.18 mi (1,342.48 km) |
| Worthing to Ortona | 910.37 mi (1,465.11 km) |
| Worthing to Orvieto | 811.54 mi (1,306.05 km) |
| Worthing to Orzinuovi | 604.03 mi (972.10 km) |
| Worthing to Osimo | 822.64 mi (1,323.90 km) |
| Worthing to Ospitaletto | 602.02 mi (968.86 km) |
| Worthing to Ostuni | 1,105.75 mi (1,779.53 km) |
| Worthing to Ottaviano | 989.02 mi (1,591.68 km) |
| Worthing to Ovada | 597.27 mi (961.22 km) |
| Worthing to Ozieri | 837.70 mi (1,348.15 km) |
| Worthing to Paceco | 1,088.77 mi (1,752.21 km) |
