| Casalpusterlengo to Octeville | 610.15 mi (981.95 km) |
| Casalpusterlengo to Oignies | 478.17 mi (769.53 km) |
| Casalpusterlengo to Oissel | 493.32 mi (793.92 km) |
| Casalpusterlengo to Olivet | 412.27 mi (663.48 km) |
| Casalpusterlengo to Ollioules | 235.27 mi (378.63 km) |
| Casalpusterlengo to Olonne-sur-Mer | 557.11 mi (896.57 km) |
| Casalpusterlengo to Oloron-Sainte-Marie | 525.92 mi (846.38 km) |
| Casalpusterlengo to Onet Village | 350.52 mi (564.11 km) |
| Casalpusterlengo to Onnaing | 456.33 mi (734.39 km) |
| Casalpusterlengo to Orange | 248.45 mi (399.84 km) |
| Casalpusterlengo to Orchies | 471.06 mi (758.10 km) |
| Casalpusterlengo to Orleans | 413.00 mi (664.66 km) |
| Casalpusterlengo to Orly | 421.39 mi (678.17 km) |
| Casalpusterlengo to Ormesson-sur-Marne | 417.47 mi (671.85 km) |
| Casalpusterlengo to Orsay | 427.59 mi (688.14 km) |
