| Sulmona to Octeville | 911.42 mi (1,466.79 km) |
| Sulmona to Oignies | 780.24 mi (1,255.68 km) |
| Sulmona to Oissel | 796.66 mi (1,282.10 km) |
| Sulmona to Olivet | 710.90 mi (1,144.08 km) |
| Sulmona to Ollioules | 417.64 mi (672.12 km) |
| Sulmona to Olonne-sur-Mer | 834.23 mi (1,342.57 km) |
| Sulmona to Oloron-Sainte-Marie | 742.17 mi (1,194.40 km) |
| Sulmona to Onet Village | 592.21 mi (953.06 km) |
| Sulmona to Onnaing | 757.39 mi (1,218.91 km) |
| Sulmona to Orange | 481.81 mi (775.40 km) |
| Sulmona to Orchies | 772.63 mi (1,243.43 km) |
| Sulmona to Orleans | 711.90 mi (1,145.69 km) |
| Sulmona to Orly | 724.68 mi (1,166.26 km) |
| Sulmona to Ormesson-sur-Marne | 720.99 mi (1,160.31 km) |
| Sulmona to Orsay | 730.54 mi (1,175.69 km) |
