| Cassano delle Murge to Octeville | 1,075.61 mi (1,731.03 km) |
| Cassano delle Murge to Oignies | 935.63 mi (1,505.76 km) |
| Cassano delle Murge to Oissel | 958.99 mi (1,543.34 km) |
| Cassano delle Murge to Olivet | 876.13 mi (1,410.00 km) |
| Cassano delle Murge to Ollioules | 581.37 mi (935.63 km) |
| Cassano delle Murge to Olonne-sur-Mer | 1,001.86 mi (1,612.34 km) |
| Cassano delle Murge to Oloron-Sainte-Marie | 903.98 mi (1,454.82 km) |
| Cassano delle Murge to Onet Village | 758.49 mi (1,220.67 km) |
| Cassano delle Murge to Onnaing | 911.72 mi (1,467.28 km) |
| Cassano delle Murge to Orange | 648.45 mi (1,043.58 km) |
| Cassano delle Murge to Orchies | 927.45 mi (1,492.58 km) |
| Cassano delle Murge to Orleans | 877.04 mi (1,411.46 km) |
| Cassano delle Murge to Orly | 887.11 mi (1,427.67 km) |
| Cassano delle Murge to Ormesson-sur-Marne | 883.09 mi (1,421.19 km) |
| Cassano delle Murge to Orsay | 893.36 mi (1,437.73 km) |
