| Brooklyn to Orbetello | 4,205.59 mi (6,768.25 km) |
| Brooklyn to Oria | 4,558.42 mi (7,336.06 km) |
| Brooklyn to Oristano | 4,175.40 mi (6,719.66 km) |
| Brooklyn to Orta Nova | 4,443.03 mi (7,150.37 km) |
| Brooklyn to Orte | 4,256.51 mi (6,850.18 km) |
| Brooklyn to Ortona | 4,348.41 mi (6,998.09 km) |
| Brooklyn to Orvieto | 4,235.37 mi (6,816.17 km) |
| Brooklyn to Orzinuovi | 4,050.73 mi (6,519.02 km) |
| Brooklyn to Osimo | 4,268.22 mi (6,869.04 km) |
| Brooklyn to Ospitaletto | 4,051.70 mi (6,520.58 km) |
| Brooklyn to Ostuni | 4,547.27 mi (7,318.12 km) |
| Brooklyn to Ottaviano | 4,406.65 mi (7,091.82 km) |
| Brooklyn to Ovada | 4,019.65 mi (6,469.01 km) |
| Brooklyn to Ozieri | 4,170.70 mi (6,712.09 km) |
| Brooklyn to Paceco | 4,426.13 mi (7,123.17 km) |
