| Heek to Octeville | 417.87 mi (672.49 km) |
| Heek to Oignies | 210.74 mi (339.15 km) |
| Heek to Oissel | 325.11 mi (523.21 km) |
| Heek to Olivet | 373.54 mi (601.15 km) |
| Heek to Ollioules | 622.98 mi (1,002.59 km) |
| Heek to Olonne-sur-Mer | 554.51 mi (892.40 km) |
| Heek to Oloron-Sainte-Marie | 712.31 mi (1,146.35 km) |
| Heek to Onet Village | 574.01 mi (923.77 km) |
| Heek to Onnaing | 192.84 mi (310.34 km) |
| Heek to Orange | 561.20 mi (903.17 km) |
| Heek to Orchies | 201.50 mi (324.28 km) |
| Heek to Orleans | 371.16 mi (597.32 km) |
| Heek to Orly | 311.68 mi (501.60 km) |
| Heek to Ormesson-sur-Marne | 305.22 mi (491.21 km) |
| Heek to Orsay | 320.14 mi (515.21 km) |
