| Kajaani to Oignies | 1,307.84 mi (2,104.76 km) |
| Kajaani to Oissel | 1,419.70 mi (2,284.78 km) |
| Kajaani to Olivet | 1,486.13 mi (2,391.69 km) |
| Kajaani to Ollioules | 1,690.79 mi (2,721.07 km) |
| Kajaani to Olonne-sur-Mer | 1,654.43 mi (2,662.54 km) |
| Kajaani to Oloron-Sainte-Marie | 1,826.85 mi (2,940.02 km) |
| Kajaani to Onet Village | 1,682.03 mi (2,706.96 km) |
| Kajaani to Onnaing | 1,297.71 mi (2,088.46 km) |
| Kajaani to Orange | 1,648.66 mi (2,653.26 km) |
| Kajaani to Orchies | 1,301.36 mi (2,094.33 km) |
| Kajaani to Orleans | 1,483.64 mi (2,387.69 km) |
| Kajaani to Orly | 1,422.47 mi (2,289.24 km) |
| Kajaani to Ormesson-sur-Marne | 1,416.51 mi (2,279.65 km) |
| Kajaani to Orsay | 1,430.11 mi (2,301.53 km) |
| Kajaani to Orthez | 1,812.73 mi (2,917.30 km) |
