| Hlohovec to Octeville | 882.32 mi (1,419.96 km) |
| Hlohovec to Oignies | 678.70 mi (1,092.26 km) |
| Hlohovec to Oissel | 760.27 mi (1,223.54 km) |
| Hlohovec to Olivet | 732.83 mi (1,179.38 km) |
| Hlohovec to Ollioules | 681.21 mi (1,096.30 km) |
| Hlohovec to Olonne-sur-Mer | 920.81 mi (1,481.91 km) |
| Hlohovec to Oloron-Sainte-Marie | 954.61 mi (1,536.30 km) |
| Hlohovec to Onet Village | 775.65 mi (1,248.29 km) |
| Hlohovec to Onnaing | 651.63 mi (1,048.70 km) |
| Hlohovec to Orange | 686.54 mi (1,104.89 km) |
| Hlohovec to Orchies | 667.79 mi (1,074.70 km) |
| Hlohovec to Orleans | 732.04 mi (1,178.10 km) |
| Hlohovec to Orly | 703.42 mi (1,132.05 km) |
| Hlohovec to Ormesson-sur-Marne | 696.62 mi (1,121.10 km) |
| Hlohovec to Orsay | 712.99 mi (1,147.45 km) |
