| Santarem to Octeville | 796.89 mi (1,282.48 km) |
| Santarem to Oignies | 961.86 mi (1,547.97 km) |
| Santarem to Oissel | 847.94 mi (1,364.62 km) |
| Santarem to Olivet | 796.40 mi (1,281.69 km) |
| Santarem to Ollioules | 801.13 mi (1,289.29 km) |
| Santarem to Olonne-sur-Mer | 613.50 mi (987.34 km) |
| Santarem to Oloron-Sainte-Marie | 500.86 mi (806.05 km) |
| Santarem to Onet Village | 679.72 mi (1,093.90 km) |
| Santarem to Onnaing | 975.32 mi (1,569.63 km) |
| Santarem to Orange | 773.15 mi (1,244.26 km) |
| Santarem to Orchies | 969.38 mi (1,560.07 km) |
| Santarem to Orleans | 798.55 mi (1,285.15 km) |
| Santarem to Orly | 855.55 mi (1,376.87 km) |
| Santarem to Ormesson-sur-Marne | 862.24 mi (1,387.64 km) |
| Santarem to Orsay | 846.79 mi (1,362.78 km) |
