| Millington to Orbetello | 5,118.60 mi (8,237.59 km) |
| Millington to Oria | 5,466.71 mi (8,797.81 km) |
| Millington to Oristano | 5,100.56 mi (8,208.55 km) |
| Millington to Orta Nova | 5,352.03 mi (8,613.26 km) |
| Millington to Orte | 5,167.41 mi (8,316.14 km) |
| Millington to Ortona | 5,256.05 mi (8,458.79 km) |
| Millington to Orvieto | 5,145.78 mi (8,281.34 km) |
| Millington to Orzinuovi | 4,954.01 mi (7,972.70 km) |
| Millington to Osimo | 5,173.08 mi (8,325.27 km) |
| Millington to Ospitaletto | 4,954.03 mi (7,972.75 km) |
| Millington to Ostuni | 5,454.80 mi (8,778.65 km) |
| Millington to Ottaviano | 5,319.68 mi (8,561.20 km) |
| Millington to Ovada | 4,928.41 mi (7,931.50 km) |
| Millington to Ozieri | 5,093.32 mi (8,196.91 km) |
| Millington to Paceco | 5,351.13 mi (8,611.81 km) |
