| Siilinjarvi to Oignies | 1,262.26 mi (2,031.41 km) |
| Siilinjarvi to Oissel | 1,375.33 mi (2,213.37 km) |
| Siilinjarvi to Olivet | 1,437.69 mi (2,313.74 km) |
| Siilinjarvi to Ollioules | 1,630.05 mi (2,623.31 km) |
| Siilinjarvi to Olonne-sur-Mer | 1,610.11 mi (2,591.22 km) |
| Siilinjarvi to Oloron-Sainte-Marie | 1,776.08 mi (2,858.32 km) |
| Siilinjarvi to Onet Village | 1,627.57 mi (2,619.32 km) |
| Siilinjarvi to Onnaing | 1,250.84 mi (2,013.04 km) |
| Siilinjarvi to Orange | 1,590.47 mi (2,559.61 km) |
| Siilinjarvi to Orchies | 1,255.33 mi (2,020.26 km) |
| Siilinjarvi to Orleans | 1,435.25 mi (2,309.82 km) |
| Siilinjarvi to Orly | 1,374.66 mi (2,212.31 km) |
| Siilinjarvi to Ormesson-sur-Marne | 1,368.52 mi (2,202.42 km) |
| Siilinjarvi to Orsay | 1,382.59 mi (2,225.06 km) |
| Siilinjarvi to Orthez | 1,762.56 mi (2,836.57 km) |
