| Mexico to Orbetello | 5,026.19 mi (8,088.88 km) |
| Mexico to Oria | 5,367.50 mi (8,638.16 km) |
| Mexico to Oristano | 5,024.10 mi (8,085.51 km) |
| Mexico to Orta Nova | 5,254.11 mi (8,455.67 km) |
| Mexico to Orte | 5,072.42 mi (8,163.27 km) |
| Mexico to Ortona | 5,157.15 mi (8,299.63 km) |
| Mexico to Orvieto | 5,050.37 mi (8,127.78 km) |
| Mexico to Orzinuovi | 4,852.25 mi (7,808.94 km) |
| Mexico to Osimo | 5,071.77 mi (8,162.22 km) |
| Mexico to Ospitaletto | 4,851.37 mi (7,807.53 km) |
| Mexico to Ostuni | 5,354.85 mi (8,617.80 km) |
| Mexico to Ottaviano | 5,226.37 mi (8,411.02 km) |
| Mexico to Ovada | 4,832.29 mi (7,776.82 km) |
| Mexico to Ozieri | 5,013.18 mi (8,067.93 km) |
| Mexico to Paceco | 5,273.37 mi (8,486.67 km) |
