| Helleland to Orbetello | 1,160.88 mi (1,868.25 km) |
| Helleland to Oria | 1,372.77 mi (2,209.25 km) |
| Helleland to Oristano | 1,317.82 mi (2,120.82 km) |
| Helleland to Orta Nova | 1,288.14 mi (2,073.06 km) |
| Helleland to Orte | 1,170.71 mi (1,884.08 km) |
| Helleland to Ortona | 1,202.09 mi (1,934.57 km) |
| Helleland to Orvieto | 1,150.41 mi (1,851.41 km) |
| Helleland to Orzinuovi | 948.61 mi (1,526.64 km) |
| Helleland to Osimo | 1,114.52 mi (1,793.65 km) |
| Helleland to Ospitaletto | 939.12 mi (1,511.38 km) |
| Helleland to Ostuni | 1,356.64 mi (2,183.30 km) |
| Helleland to Ottaviano | 1,303.40 mi (2,097.62 km) |
| Helleland to Ovada | 992.39 mi (1,597.11 km) |
| Helleland to Ozieri | 1,272.94 mi (2,048.59 km) |
| Helleland to Paceco | 1,476.26 mi (2,375.82 km) |
