| Hem to Oignies | 15.43 mi (24.83 km) |
| Hem to Oissel | 130.01 mi (209.23 km) |
| Hem to Olivet | 201.40 mi (324.13 km) |
| Hem to Ollioules | 534.16 mi (859.65 km) |
| Hem to Olonne-sur-Mer | 363.68 mi (585.28 km) |
| Hem to Oloron-Sainte-Marie | 545.53 mi (877.95 km) |
| Hem to Onet Village | 435.46 mi (700.80 km) |
| Hem to Onnaing | 25.82 mi (41.55 km) |
| Hem to Orange | 456.59 mi (734.82 km) |
| Hem to Orchies | 12.72 mi (20.47 km) |
| Hem to Orleans | 198.73 mi (319.83 km) |
| Hem to Orly | 136.76 mi (220.09 km) |
| Hem to Ormesson-sur-Marne | 132.39 mi (213.06 km) |
| Hem to Orsay | 142.43 mi (229.22 km) |
| Hem to Orthez | 528.89 mi (851.16 km) |
