| Guimaraes to Octeville | 649.76 mi (1,045.69 km) |
| Guimaraes to Oignies | 824.34 mi (1,326.64 km) |
| Guimaraes to Oissel | 709.48 mi (1,141.80 km) |
| Guimaraes to Olivet | 668.11 mi (1,075.22 km) |
| Guimaraes to Ollioules | 731.47 mi (1,177.18 km) |
| Guimaraes to Olonne-sur-Mer | 477.96 mi (769.20 km) |
| Guimaraes to Oloron-Sainte-Marie | 410.90 mi (661.28 km) |
| Guimaraes to Onet Village | 586.39 mi (943.70 km) |
| Guimaraes to Onnaing | 839.66 mi (1,351.31 km) |
| Guimaraes to Orange | 689.28 mi (1,109.29 km) |
| Guimaraes to Orchies | 832.47 mi (1,339.74 km) |
| Guimaraes to Orleans | 670.05 mi (1,078.35 km) |
| Guimaraes to Orly | 723.94 mi (1,165.07 km) |
| Guimaraes to Ormesson-sur-Marne | 730.88 mi (1,176.24 km) |
| Guimaraes to Orsay | 714.76 mi (1,150.29 km) |
