| Grosuplje to Octeville | 796.10 mi (1,281.20 km) |
| Grosuplje to Oignies | 619.96 mi (997.73 km) |
| Grosuplje to Oissel | 672.21 mi (1,081.82 km) |
| Grosuplje to Olivet | 615.59 mi (990.69 km) |
| Grosuplje to Ollioules | 475.06 mi (764.53 km) |
| Grosuplje to Olonne-sur-Mer | 784.63 mi (1,262.74 km) |
| Grosuplje to Oloron-Sainte-Marie | 773.71 mi (1,245.16 km) |
| Grosuplje to Onet Village | 597.24 mi (961.17 km) |
| Grosuplje to Onnaing | 593.61 mi (955.32 km) |
| Grosuplje to Orange | 496.43 mi (798.92 km) |
| Grosuplje to Orchies | 610.23 mi (982.06 km) |
| Grosuplje to Orleans | 615.56 mi (990.65 km) |
| Grosuplje to Orly | 604.75 mi (973.25 km) |
| Grosuplje to Ormesson-sur-Marne | 599.04 mi (964.05 km) |
| Grosuplje to Orsay | 613.09 mi (986.68 km) |
