| Huittinen to Oignies | 1,056.17 mi (1,699.74 km) |
| Huittinen to Oissel | 1,169.60 mi (1,882.29 km) |
| Huittinen to Olivet | 1,230.84 mi (1,980.84 km) |
| Huittinen to Ollioules | 1,426.75 mi (2,296.13 km) |
| Huittinen to Olonne-sur-Mer | 1,404.28 mi (2,259.98 km) |
| Huittinen to Oloron-Sainte-Marie | 1,569.03 mi (2,525.12 km) |
| Huittinen to Onet Village | 1,421.00 mi (2,286.87 km) |
| Huittinen to Onnaing | 1,044.37 mi (1,680.75 km) |
| Huittinen to Orange | 1,385.41 mi (2,229.59 km) |
| Huittinen to Orchies | 1,049.10 mi (1,688.36 km) |
| Huittinen to Orleans | 1,228.41 mi (1,976.93 km) |
| Huittinen to Orly | 1,167.94 mi (1,879.61 km) |
| Huittinen to Ormesson-sur-Marne | 1,161.76 mi (1,869.67 km) |
| Huittinen to Orsay | 1,175.92 mi (1,892.45 km) |
| Huittinen to Orthez | 1,555.53 mi (2,503.38 km) |
