| Castellbisbal to Octeville | 589.62 mi (948.91 km) |
| Castellbisbal to Oignies | 623.20 mi (1,002.94 km) |
| Castellbisbal to Oissel | 545.14 mi (877.31 km) |
| Castellbisbal to Olivet | 441.33 mi (710.25 km) |
| Castellbisbal to Ollioules | 228.42 mi (367.61 km) |
| Castellbisbal to Olonne-sur-Mer | 396.14 mi (637.53 km) |
| Castellbisbal to Oloron-Sainte-Marie | 177.65 mi (285.90 km) |
| Castellbisbal to Onet Village | 201.98 mi (325.06 km) |
| Castellbisbal to Onnaing | 620.53 mi (998.65 km) |
| Castellbisbal to Orange | 233.12 mi (375.17 km) |
| Castellbisbal to Orchies | 624.62 mi (1,005.23 km) |
| Castellbisbal to Orleans | 443.99 mi (714.54 km) |
| Castellbisbal to Orly | 502.51 mi (808.71 km) |
| Castellbisbal to Ormesson-sur-Marne | 505.73 mi (813.90 km) |
| Castellbisbal to Orsay | 499.05 mi (803.14 km) |
