| Hershey to Orbetello | 4,338.04 mi (6,981.41 km) |
| Hershey to Oria | 4,689.81 mi (7,547.52 km) |
| Hershey to Oristano | 4,311.15 mi (6,938.13 km) |
| Hershey to Orta Nova | 4,574.55 mi (7,362.03 km) |
| Hershey to Orte | 4,388.44 mi (7,062.51 km) |
| Hershey to Ortona | 4,479.56 mi (7,209.15 km) |
| Hershey to Orvieto | 4,367.17 mi (7,028.28 km) |
| Hershey to Orzinuovi | 4,180.66 mi (6,728.12 km) |
| Hershey to Osimo | 4,398.65 mi (7,078.94 km) |
| Hershey to Ospitaletto | 4,181.40 mi (6,729.31 km) |
| Hershey to Ostuni | 4,678.47 mi (7,529.27 km) |
| Hershey to Ottaviano | 4,539.18 mi (7,305.11 km) |
| Hershey to Ovada | 4,150.94 mi (6,680.29 km) |
| Hershey to Ozieri | 4,305.73 mi (6,929.40 km) |
| Hershey to Paceco | 4,561.90 mi (7,341.66 km) |
