| Cheat Lake to Orbetello | 4,501.84 mi (7,245.01 km) |
| Cheat Lake to Oria | 4,852.35 mi (7,809.11 km) |
| Cheat Lake to Oristano | 4,478.49 mi (7,207.43 km) |
| Cheat Lake to Orta Nova | 4,737.27 mi (7,623.91 km) |
| Cheat Lake to Orte | 4,551.65 mi (7,325.18 km) |
| Cheat Lake to Ortona | 4,641.89 mi (7,470.41 km) |
| Cheat Lake to Orvieto | 4,530.25 mi (7,290.73 km) |
| Cheat Lake to Orzinuovi | 4,341.78 mi (6,987.41 km) |
| Cheat Lake to Osimo | 4,560.22 mi (7,338.97 km) |
| Cheat Lake to Ospitaletto | 4,342.26 mi (6,988.20 km) |
| Cheat Lake to Ostuni | 4,840.81 mi (7,790.53 km) |
| Cheat Lake to Ottaviano | 4,703.01 mi (7,568.76 km) |
| Cheat Lake to Ovada | 4,313.53 mi (6,941.96 km) |
| Cheat Lake to Ozieri | 4,472.29 mi (7,197.46 km) |
| Cheat Lake to Paceco | 4,729.19 mi (7,610.90 km) |
