| Fort Lauderdale to Orbetello | 5,088.33 mi (8,188.87 km) |
| Fort Lauderdale to Oria | 5,446.57 mi (8,765.41 km) |
| Fort Lauderdale to Oristano | 5,021.26 mi (8,080.94 km) |
| Fort Lauderdale to Orta Nova | 5,331.50 mi (8,580.21 km) |
| Fort Lauderdale to Orte | 5,143.64 mi (8,277.89 km) |
| Fort Lauderdale to Ortona | 5,241.74 mi (8,435.76 km) |
| Fort Lauderdale to Orvieto | 5,124.09 mi (8,246.43 km) |
| Fort Lauderdale to Orzinuovi | 4,958.83 mi (7,980.47 km) |
| Fort Lauderdale to Osimo | 5,169.16 mi (8,318.96 km) |
| Fort Lauderdale to Ospitaletto | 4,961.73 mi (7,985.14 km) |
| Fort Lauderdale to Ostuni | 5,437.40 mi (8,750.65 km) |
| Fort Lauderdale to Ottaviano | 5,285.67 mi (8,506.47 km) |
| Fort Lauderdale to Ovada | 4,916.25 mi (7,911.93 km) |
| Fort Lauderdale to Ozieri | 5,025.67 mi (8,088.04 km) |
| Fort Lauderdale to Paceco | 5,267.64 mi (8,477.45 km) |
