| Shoreham-by-Sea to Orbetello | 794.02 mi (1,277.85 km) |
| Shoreham-by-Sea to Oria | 1,116.16 mi (1,796.28 km) |
| Shoreham-by-Sea to Oristano | 867.63 mi (1,396.32 km) |
| Shoreham-by-Sea to Orta Nova | 1,005.13 mi (1,617.59 km) |
| Shoreham-by-Sea to Orte | 831.68 mi (1,338.46 km) |
| Shoreham-by-Sea to Ortona | 907.58 mi (1,460.61 km) |
| Shoreham-by-Sea to Orvieto | 809.04 mi (1,302.02 km) |
| Shoreham-by-Sea to Orzinuovi | 601.25 mi (967.61 km) |
| Shoreham-by-Sea to Osimo | 819.75 mi (1,319.25 km) |
| Shoreham-by-Sea to Ospitaletto | 599.16 mi (964.26 km) |
| Shoreham-by-Sea to Ostuni | 1,102.82 mi (1,774.82 km) |
| Shoreham-by-Sea to Ottaviano | 986.49 mi (1,587.61 km) |
| Shoreham-by-Sea to Ovada | 594.99 mi (957.55 km) |
| Shoreham-by-Sea to Ozieri | 836.26 mi (1,345.83 km) |
| Shoreham-by-Sea to Paceco | 1,087.01 mi (1,749.38 km) |
