| Rotterdam to Octeville | 311.43 mi (501.20 km) |
| Rotterdam to Oignies | 119.40 mi (192.15 km) |
| Rotterdam to Oissel | 232.26 mi (373.78 km) |
| Rotterdam to Olivet | 302.94 mi (487.53 km) |
| Rotterdam to Ollioules | 609.67 mi (981.17 km) |
| Rotterdam to Olonne-sur-Mer | 466.88 mi (751.38 km) |
| Rotterdam to Oloron-Sainte-Marie | 647.60 mi (1,042.21 km) |
| Rotterdam to Onet Village | 529.03 mi (851.39 km) |
| Rotterdam to Onnaing | 112.63 mi (181.27 km) |
| Rotterdam to Orange | 537.62 mi (865.22 km) |
| Rotterdam to Orchies | 113.50 mi (182.66 km) |
| Rotterdam to Orleans | 300.31 mi (483.30 km) |
| Rotterdam to Orly | 238.08 mi (383.15 km) |
| Rotterdam to Ormesson-sur-Marne | 232.95 mi (374.90 km) |
| Rotterdam to Orsay | 244.65 mi (393.72 km) |
