| Worcester Park to Orbetello | 818.68 mi (1,317.54 km) |
| Worcester Park to Oria | 1,135.64 mi (1,827.64 km) |
| Worcester Park to Oristano | 898.48 mi (1,445.96 km) |
| Worcester Park to Orta Nova | 1,025.62 mi (1,650.58 km) |
| Worcester Park to Orte | 854.68 mi (1,375.47 km) |
| Worcester Park to Ortona | 928.11 mi (1,493.64 km) |
| Worcester Park to Orvieto | 832.00 mi (1,338.98 km) |
| Worcester Park to Orzinuovi | 622.11 mi (1,001.20 km) |
| Worcester Park to Osimo | 839.46 mi (1,350.98 km) |
| Worcester Park to Ospitaletto | 619.39 mi (996.81 km) |
| Worcester Park to Ostuni | 1,122.04 mi (1,805.75 km) |
| Worcester Park to Ottaviano | 1,009.14 mi (1,624.06 km) |
| Worcester Park to Ovada | 619.85 mi (997.55 km) |
| Worcester Park to Ozieri | 866.06 mi (1,393.80 km) |
| Worcester Park to Paceco | 1,114.91 mi (1,794.28 km) |
