| Lemont to Orbetello | 4,758.25 mi (7,657.67 km) |
| Lemont to Oria | 5,099.63 mi (8,207.06 km) |
| Lemont to Oristano | 4,756.73 mi (7,655.22 km) |
| Lemont to Orta Nova | 4,986.20 mi (8,024.52 km) |
| Lemont to Orte | 4,804.48 mi (7,732.06 km) |
| Lemont to Ortona | 4,889.25 mi (7,868.49 km) |
| Lemont to Orvieto | 4,782.43 mi (7,696.57 km) |
| Lemont to Orzinuovi | 4,584.41 mi (7,377.89 km) |
| Lemont to Osimo | 4,803.93 mi (7,731.17 km) |
| Lemont to Ospitaletto | 4,583.56 mi (7,376.52 km) |
| Lemont to Ostuni | 5,086.99 mi (8,186.72 km) |
| Lemont to Ottaviano | 4,958.42 mi (7,979.81 km) |
| Lemont to Ovada | 4,564.35 mi (7,345.61 km) |
| Lemont to Ozieri | 4,745.60 mi (7,637.30 km) |
| Lemont to Paceco | 5,005.87 mi (8,056.18 km) |
