| Westbury to Orbetello | 876.41 mi (1,410.45 km) |
| Westbury to Oria | 1,202.53 mi (1,935.28 km) |
| Westbury to Oristano | 939.80 mi (1,512.46 km) |
| Westbury to Orta Nova | 1,090.93 mi (1,755.68 km) |
| Westbury to Orte | 915.68 mi (1,473.65 km) |
| Westbury to Ortona | 993.43 mi (1,598.76 km) |
| Westbury to Orvieto | 893.10 mi (1,437.30 km) |
| Westbury to Orzinuovi | 687.15 mi (1,105.86 km) |
| Westbury to Osimo | 906.13 mi (1,458.28 km) |
| Westbury to Ospitaletto | 685.45 mi (1,103.13 km) |
| Westbury to Ostuni | 1,189.35 mi (1,914.07 km) |
| Westbury to Ottaviano | 1,070.66 mi (1,723.07 km) |
| Westbury to Ovada | 677.55 mi (1,090.40 km) |
| Westbury to Ozieri | 910.77 mi (1,465.75 km) |
| Westbury to Paceco | 1,164.62 mi (1,874.27 km) |
