| Iisalmi to Oignies | 1,268.42 mi (2,041.32 km) |
| Iisalmi to Oissel | 1,380.84 mi (2,222.25 km) |
| Iisalmi to Olivet | 1,445.53 mi (2,326.36 km) |
| Iisalmi to Ollioules | 1,645.47 mi (2,648.13 km) |
| Iisalmi to Olonne-sur-Mer | 1,615.65 mi (2,600.14 km) |
| Iisalmi to Oloron-Sainte-Marie | 1,785.34 mi (2,873.23 km) |
| Iisalmi to Onet Village | 1,639.02 mi (2,637.75 km) |
| Iisalmi to Onnaing | 1,257.73 mi (2,024.12 km) |
| Iisalmi to Orange | 1,604.24 mi (2,581.77 km) |
| Iisalmi to Orchies | 1,261.74 mi (2,030.57 km) |
| Iisalmi to Orleans | 1,443.07 mi (2,322.39 km) |
| Iisalmi to Orly | 1,382.12 mi (2,224.31 km) |
| Iisalmi to Ormesson-sur-Marne | 1,376.08 mi (2,214.59 km) |
| Iisalmi to Orsay | 1,389.89 mi (2,236.81 km) |
| Iisalmi to Orthez | 1,771.47 mi (2,850.90 km) |
