| Cartaxo to Octeville | 804.28 mi (1,294.37 km) |
| Cartaxo to Oignies | 969.55 mi (1,560.34 km) |
| Cartaxo to Oissel | 855.60 mi (1,376.95 km) |
| Cartaxo to Olivet | 804.18 mi (1,294.20 km) |
| Cartaxo to Ollioules | 808.27 mi (1,300.78 km) |
| Cartaxo to Olonne-sur-Mer | 621.19 mi (999.70 km) |
| Cartaxo to Oloron-Sainte-Marie | 508.47 mi (818.30 km) |
| Cartaxo to Onet Village | 687.31 mi (1,106.12 km) |
| Cartaxo to Onnaing | 983.03 mi (1,582.04 km) |
| Cartaxo to Orange | 780.57 mi (1,256.21 km) |
| Cartaxo to Orchies | 977.08 mi (1,572.45 km) |
| Cartaxo to Orleans | 806.33 mi (1,297.66 km) |
| Cartaxo to Orly | 863.30 mi (1,389.35 km) |
| Cartaxo to Ormesson-sur-Marne | 869.99 mi (1,400.12 km) |
| Cartaxo to Orsay | 854.54 mi (1,375.25 km) |
