| South Miami to Orbetello | 5,114.60 mi (8,231.15 km) |
| South Miami to Oria | 5,472.87 mi (8,807.73 km) |
| South Miami to Oristano | 5,046.54 mi (8,121.63 km) |
| South Miami to Orta Nova | 5,357.84 mi (8,622.61 km) |
| South Miami to Orte | 5,170.01 mi (8,320.33 km) |
| South Miami to Ortona | 5,268.25 mi (8,478.42 km) |
| South Miami to Orvieto | 5,150.52 mi (8,288.96 km) |
| South Miami to Orzinuovi | 4,985.85 mi (8,023.95 km) |
| South Miami to Osimo | 5,195.91 mi (8,362.01 km) |
| South Miami to Ospitaletto | 4,988.80 mi (8,028.70 km) |
| South Miami to Ostuni | 5,463.75 mi (8,793.06 km) |
| South Miami to Ottaviano | 5,311.77 mi (8,548.46 km) |
| South Miami to Ovada | 4,942.96 mi (7,954.93 km) |
| South Miami to Ozieri | 5,051.20 mi (8,129.12 km) |
| South Miami to Paceco | 5,292.69 mi (8,517.76 km) |
