| San Severo to Octeville | 984.38 mi (1,584.21 km) |
| San Severo to Oignies | 846.30 mi (1,361.99 km) |
| San Severo to Oissel | 868.00 mi (1,396.91 km) |
| San Severo to Olivet | 784.84 mi (1,263.08 km) |
| San Severo to Ollioules | 496.07 mi (798.35 km) |
| San Severo to Olonne-sur-Mer | 911.87 mi (1,467.51 km) |
| San Severo to Oloron-Sainte-Marie | 820.34 mi (1,320.20 km) |
| San Severo to Onet Village | 670.80 mi (1,079.55 km) |
| San Severo to Onnaing | 822.69 mi (1,323.99 km) |
| San Severo to Orange | 560.36 mi (901.81 km) |
| San Severo to Orchies | 838.28 mi (1,349.08 km) |
| San Severo to Orleans | 785.75 mi (1,264.55 km) |
| San Severo to Orly | 796.09 mi (1,281.19 km) |
| San Severo to Ormesson-sur-Marne | 792.12 mi (1,274.80 km) |
| San Severo to Orsay | 802.28 mi (1,291.15 km) |
