| Lier to Octeville | 848.25 mi (1,365.13 km) |
| Lier to Oignies | 708.15 mi (1,139.66 km) |
| Lier to Oissel | 812.03 mi (1,306.83 km) |
| Lier to Olivet | 894.24 mi (1,439.14 km) |
| Lier to Ollioules | 1,170.34 mi (1,883.48 km) |
| Lier to Olonne-sur-Mer | 1,042.55 mi (1,677.82 km) |
| Lier to Oloron-Sainte-Marie | 1,238.64 mi (1,993.41 km) |
| Lier to Onet Village | 1,117.06 mi (1,797.74 km) |
| Lier to Onnaing | 704.37 mi (1,133.58 km) |
| Lier to Orange | 1,109.93 mi (1,786.26 km) |
| Lier to Orchies | 703.95 mi (1,132.89 km) |
| Lier to Orleans | 891.59 mi (1,434.88 km) |
| Lier to Orly | 829.38 mi (1,334.76 km) |
| Lier to Ormesson-sur-Marne | 824.48 mi (1,326.88 km) |
| Lier to Orsay | 835.47 mi (1,344.56 km) |
