| Spalding to Octeville | 227.58 mi (366.25 km) |
| Spalding to Oignies | 209.32 mi (336.87 km) |
| Spalding to Oissel | 244.00 mi (392.68 km) |
| Spalding to Olivet | 351.89 mi (566.31 km) |
| Spalding to Ollioules | 721.38 mi (1,160.94 km) |
| Spalding to Olonne-sur-Mer | 437.82 mi (704.60 km) |
| Spalding to Oloron-Sainte-Marie | 663.04 mi (1,067.07 km) |
| Spalding to Onet Village | 595.06 mi (957.65 km) |
| Spalding to Onnaing | 230.99 mi (371.74 km) |
| Spalding to Orange | 638.90 mi (1,028.21 km) |
| Spalding to Orchies | 216.11 mi (347.80 km) |
| Spalding to Orleans | 349.40 mi (562.30 km) |
| Spalding to Orly | 300.56 mi (483.71 km) |
| Spalding to Ormesson-sur-Marne | 300.28 mi (483.26 km) |
| Spalding to Orsay | 300.36 mi (483.38 km) |
