| Glanmire to Octeville | 334.78 mi (538.77 km) |
| Glanmire to Oignies | 502.83 mi (809.23 km) |
| Glanmire to Oissel | 452.00 mi (727.42 km) |
| Glanmire to Olivet | 536.53 mi (863.45 km) |
| Glanmire to Ollioules | 896.87 mi (1,443.37 km) |
| Glanmire to Olonne-sur-Mer | 476.70 mi (767.18 km) |
| Glanmire to Oloron-Sainte-Marie | 702.84 mi (1,131.11 km) |
| Glanmire to Onet Village | 725.89 mi (1,168.21 km) |
| Glanmire to Onnaing | 529.96 mi (852.88 km) |
| Glanmire to Orange | 811.05 mi (1,305.26 km) |
| Glanmire to Orchies | 513.33 mi (826.13 km) |
| Glanmire to Orleans | 535.31 mi (861.50 km) |
| Glanmire to Orly | 523.41 mi (842.34 km) |
| Glanmire to Ormesson-sur-Marne | 527.84 mi (849.48 km) |
| Glanmire to Orsay | 516.78 mi (831.67 km) |
