| Leidschendam to Octeville | 313.34 mi (504.28 km) |
| Leidschendam to Oignies | 127.01 mi (204.40 km) |
| Leidschendam to Oissel | 238.34 mi (383.57 km) |
| Leidschendam to Olivet | 311.92 mi (501.99 km) |
| Leidschendam to Ollioules | 621.59 mi (1,000.36 km) |
| Leidschendam to Olonne-sur-Mer | 473.15 mi (761.46 km) |
| Leidschendam to Oloron-Sainte-Marie | 656.52 mi (1,056.57 km) |
| Leidschendam to Onet Village | 539.64 mi (868.46 km) |
| Leidschendam to Onnaing | 122.17 mi (196.62 km) |
| Leidschendam to Orange | 549.27 mi (883.96 km) |
| Leidschendam to Orchies | 121.85 mi (196.10 km) |
| Leidschendam to Orleans | 309.28 mi (497.74 km) |
| Leidschendam to Orly | 247.05 mi (397.59 km) |
| Leidschendam to Ormesson-sur-Marne | 242.10 mi (389.62 km) |
| Leidschendam to Orsay | 253.36 mi (407.74 km) |
