| Saco to Orbetello | 3,949.35 mi (6,355.86 km) |
| Saco to Oria | 4,300.73 mi (6,921.35 km) |
| Saco to Oristano | 3,924.78 mi (6,316.32 km) |
| Saco to Orta Nova | 4,185.51 mi (6,735.93 km) |
| Saco to Orte | 3,999.53 mi (6,436.63 km) |
| Saco to Ortona | 4,090.42 mi (6,582.89 km) |
| Saco to Orvieto | 3,978.23 mi (6,402.33 km) |
| Saco to Orzinuovi | 3,791.31 mi (6,101.53 km) |
| Saco to Osimo | 4,009.36 mi (6,452.45 km) |
| Saco to Ospitaletto | 3,792.03 mi (6,102.68 km) |
| Saco to Ostuni | 4,289.34 mi (6,903.02 km) |
| Saco to Ottaviano | 4,150.51 mi (6,679.59 km) |
| Saco to Ovada | 3,761.85 mi (6,054.11 km) |
| Saco to Ozieri | 3,918.66 mi (6,306.48 km) |
| Saco to Paceco | 4,175.48 mi (6,719.79 km) |
