| Povoa de Varzim to Octeville | 665.25 mi (1,070.62 km) |
| Povoa de Varzim to Oignies | 842.70 mi (1,356.20 km) |
| Povoa de Varzim to Oissel | 727.74 mi (1,171.19 km) |
| Povoa de Varzim to Olivet | 688.51 mi (1,108.05 km) |
| Povoa de Varzim to Ollioules | 755.80 mi (1,216.35 km) |
| Povoa de Varzim to Olonne-sur-Mer | 497.33 mi (800.37 km) |
| Povoa de Varzim to Oloron-Sainte-Marie | 435.02 mi (700.10 km) |
| Povoa de Varzim to Onet Village | 610.20 mi (982.02 km) |
| Povoa de Varzim to Onnaing | 858.45 mi (1,381.54 km) |
| Povoa de Varzim to Orange | 713.37 mi (1,148.06 km) |
| Povoa de Varzim to Orchies | 850.98 mi (1,369.52 km) |
| Povoa de Varzim to Orleans | 690.42 mi (1,111.12 km) |
| Povoa de Varzim to Orly | 743.68 mi (1,196.84 km) |
| Povoa de Varzim to Ormesson-sur-Marne | 750.66 mi (1,208.07 km) |
| Povoa de Varzim to Orsay | 734.43 mi (1,181.95 km) |
