| Bollate to Octeville | 574.34 mi (924.31 km) |
| Bollate to Oignies | 441.99 mi (711.31 km) |
| Bollate to Oissel | 457.06 mi (735.57 km) |
| Bollate to Olivet | 377.23 mi (607.09 km) |
| Bollate to Ollioules | 232.01 mi (373.38 km) |
| Bollate to Olonne-sur-Mer | 526.24 mi (846.91 km) |
| Bollate to Oloron-Sainte-Marie | 506.67 mi (815.41 km) |
| Bollate to Onet Village | 329.16 mi (529.72 km) |
| Bollate to Onnaing | 420.35 mi (676.49 km) |
| Bollate to Orange | 232.41 mi (374.03 km) |
| Bollate to Orchies | 434.98 mi (700.03 km) |
| Bollate to Orleans | 377.89 mi (608.16 km) |
| Bollate to Orly | 385.17 mi (619.87 km) |
| Bollate to Ormesson-sur-Marne | 381.18 mi (613.45 km) |
| Bollate to Orsay | 391.46 mi (629.99 km) |
