| Cinco Ranch to Orbetello | 5,631.61 mi (9,063.21 km) |
| Cinco Ranch to Oria | 5,980.69 mi (9,625.00 km) |
| Cinco Ranch to Oristano | 5,609.81 mi (9,028.11 km) |
| Cinco Ranch to Orta Nova | 5,865.87 mi (9,440.20 km) |
| Cinco Ranch to Orte | 5,680.86 mi (9,142.45 km) |
| Cinco Ranch to Ortona | 5,770.07 mi (9,286.04 km) |
| Cinco Ranch to Orvieto | 5,659.32 mi (9,107.79 km) |
| Cinco Ranch to Orzinuovi | 5,468.53 mi (8,800.75 km) |
| Cinco Ranch to Osimo | 5,687.47 mi (9,153.10 km) |
| Cinco Ranch to Ospitaletto | 5,468.66 mi (8,800.96 km) |
| Cinco Ranch to Ostuni | 5,968.90 mi (9,606.01 km) |
| Cinco Ranch to Ottaviano | 5,832.76 mi (9,386.92 km) |
| Cinco Ranch to Ovada | 5,442.16 mi (8,758.30 km) |
| Cinco Ranch to Ozieri | 5,603.60 mi (9,018.12 km) |
| Cinco Ranch to Paceco | 5,860.52 mi (9,431.59 km) |
