| Heum to Octeville | 804.77 mi (1,295.15 km) |
| Heum to Oignies | 659.07 mi (1,060.67 km) |
| Heum to Oissel | 764.44 mi (1,230.24 km) |
| Heum to Olivet | 844.69 mi (1,359.40 km) |
| Heum to Ollioules | 1,117.25 mi (1,798.05 km) |
| Heum to Olonne-sur-Mer | 996.15 mi (1,603.14 km) |
| Heum to Oloron-Sainte-Marie | 1,189.30 mi (1,913.99 km) |
| Heum to Onet Village | 1,065.68 mi (1,715.04 km) |
| Heum to Onnaing | 654.49 mi (1,053.29 km) |
| Heum to Orange | 1,057.29 mi (1,701.55 km) |
| Heum to Orchies | 654.55 mi (1,053.40 km) |
| Heum to Orleans | 842.06 mi (1,355.16 km) |
| Heum to Orly | 779.82 mi (1,255.00 km) |
| Heum to Ormesson-sur-Marne | 774.79 mi (1,246.90 km) |
| Heum to Orsay | 786.10 mi (1,265.11 km) |
