| Cheam to Orbetello | 817.05 mi (1,314.92 km) |
| Cheam to Oria | 1,134.01 mi (1,825.02 km) |
| Cheam to Oristano | 896.93 mi (1,443.46 km) |
| Cheam to Orta Nova | 1,023.99 mi (1,647.96 km) |
| Cheam to Orte | 853.05 mi (1,372.84 km) |
| Cheam to Ortona | 926.48 mi (1,491.02 km) |
| Cheam to Orvieto | 830.37 mi (1,336.35 km) |
| Cheam to Orzinuovi | 620.48 mi (998.57 km) |
| Cheam to Osimo | 837.83 mi (1,348.36 km) |
| Cheam to Ospitaletto | 617.76 mi (994.18 km) |
| Cheam to Ostuni | 1,120.41 mi (1,803.13 km) |
| Cheam to Ottaviano | 1,007.51 mi (1,621.43 km) |
| Cheam to Ovada | 618.22 mi (994.93 km) |
| Cheam to Ozieri | 864.49 mi (1,391.27 km) |
| Cheam to Paceco | 1,113.31 mi (1,791.70 km) |
