| Estarreja to Octeville | 699.18 mi (1,125.23 km) |
| Estarreja to Oignies | 871.51 mi (1,402.55 km) |
| Estarreja to Oissel | 756.82 mi (1,217.98 km) |
| Estarreja to Olivet | 712.57 mi (1,146.77 km) |
| Estarreja to Ollioules | 757.87 mi (1,219.67 km) |
| Estarreja to Olonne-sur-Mer | 524.20 mi (843.62 km) |
| Estarreja to Oloron-Sainte-Marie | 442.16 mi (711.59 km) |
| Estarreja to Onet Village | 619.82 mi (997.50 km) |
| Estarreja to Onnaing | 886.35 mi (1,426.44 km) |
| Estarreja to Orange | 720.08 mi (1,158.85 km) |
| Estarreja to Orchies | 879.49 mi (1,415.39 km) |
| Estarreja to Orleans | 714.57 mi (1,150.00 km) |
| Estarreja to Orly | 769.42 mi (1,238.26 km) |
| Estarreja to Ormesson-sur-Marne | 776.29 mi (1,249.32 km) |
| Estarreja to Orsay | 760.34 mi (1,223.66 km) |
