| Helleland to Octeville | 705.02 mi (1,134.62 km) |
| Helleland to Oignies | 592.05 mi (952.81 km) |
| Helleland to Oissel | 685.71 mi (1,103.54 km) |
| Helleland to Olivet | 777.86 mi (1,251.85 km) |
| Helleland to Ollioules | 1,088.42 mi (1,751.65 km) |
| Helleland to Olonne-sur-Mer | 908.35 mi (1,461.85 km) |
| Helleland to Oloron-Sainte-Marie | 1,117.84 mi (1,798.99 km) |
| Helleland to Onet Village | 1,012.41 mi (1,629.31 km) |
| Helleland to Onnaing | 593.69 mi (955.45 km) |
| Helleland to Orange | 1,020.14 mi (1,641.76 km) |
| Helleland to Orchies | 589.93 mi (949.39 km) |
| Helleland to Orleans | 775.17 mi (1,247.52 km) |
| Helleland to Orly | 714.07 mi (1,149.19 km) |
| Helleland to Ormesson-sur-Marne | 710.12 mi (1,142.83 km) |
| Helleland to Orsay | 718.80 mi (1,156.80 km) |
