| Chiampo to Octeville | 663.82 mi (1,068.31 km) |
| Chiampo to Oignies | 511.65 mi (823.42 km) |
| Chiampo to Oissel | 542.90 mi (873.71 km) |
| Chiampo to Olivet | 472.05 mi (759.69 km) |
| Chiampo to Ollioules | 315.96 mi (508.49 km) |
| Chiampo to Olonne-sur-Mer | 629.12 mi (1,012.47 km) |
| Chiampo to Oloron-Sainte-Marie | 608.72 mi (979.64 km) |
| Chiampo to Onet Village | 432.44 mi (695.94 km) |
| Chiampo to Onnaing | 487.51 mi (784.57 km) |
| Chiampo to Orange | 331.69 mi (533.80 km) |
| Chiampo to Orchies | 503.31 mi (810.01 km) |
| Chiampo to Orleans | 472.43 mi (760.31 km) |
| Chiampo to Orly | 472.07 mi (759.72 km) |
| Chiampo to Ormesson-sur-Marne | 467.28 mi (752.01 km) |
| Chiampo to Orsay | 479.32 mi (771.40 km) |
