| Opa-locka to Orbetello | 5,104.19 mi (8,214.40 km) |
| Opa-locka to Oria | 5,462.45 mi (8,790.96 km) |
| Opa-locka to Oristano | 5,036.63 mi (8,105.67 km) |
| Opa-locka to Orta Nova | 5,347.40 mi (8,605.80 km) |
| Opa-locka to Orte | 5,159.55 mi (8,303.50 km) |
| Opa-locka to Ortona | 5,257.72 mi (8,461.48 km) |
| Opa-locka to Orvieto | 5,140.03 mi (8,272.08 km) |
| Opa-locka to Orzinuovi | 4,975.06 mi (8,006.59 km) |
| Opa-locka to Osimo | 5,185.26 mi (8,344.87 km) |
| Opa-locka to Ospitaletto | 4,977.99 mi (8,011.30 km) |
| Opa-locka to Ostuni | 5,453.31 mi (8,776.25 km) |
| Opa-locka to Ottaviano | 5,301.45 mi (8,531.86 km) |
| Opa-locka to Ovada | 4,932.33 mi (7,937.82 km) |
| Opa-locka to Ozieri | 5,041.16 mi (8,112.97 km) |
| Opa-locka to Paceco | 5,282.89 mi (8,501.99 km) |
