| Ferreira do Zezere to Octeville | 759.88 mi (1,222.91 km) |
| Ferreira do Zezere to Oignies | 924.13 mi (1,487.25 km) |
| Ferreira do Zezere to Oissel | 810.24 mi (1,303.95 km) |
| Ferreira do Zezere to Olivet | 758.72 mi (1,221.04 km) |
| Ferreira do Zezere to Ollioules | 769.04 mi (1,237.64 km) |
| Ferreira do Zezere to Olonne-sur-Mer | 575.77 mi (926.61 km) |
| Ferreira do Zezere to Oloron-Sainte-Marie | 465.49 mi (749.13 km) |
| Ferreira do Zezere to Onet Village | 644.45 mi (1,037.14 km) |
| Ferreira do Zezere to Onnaing | 937.56 mi (1,508.86 km) |
| Ferreira do Zezere to Orange | 739.13 mi (1,189.51 km) |
| Ferreira do Zezere to Orchies | 931.64 mi (1,499.33 km) |
| Ferreira do Zezere to Orleans | 760.86 mi (1,224.49 km) |
| Ferreira do Zezere to Orly | 817.80 mi (1,316.13 km) |
| Ferreira do Zezere to Ormesson-sur-Marne | 824.50 mi (1,326.90 km) |
| Ferreira do Zezere to Orsay | 809.04 mi (1,302.03 km) |
