| Spa to Oignies | 126.21 mi (203.12 km) |
| Spa to Oissel | 226.68 mi (364.80 km) |
| Spa to Olivet | 254.95 mi (410.30 km) |
| Spa to Ollioules | 508.05 mi (817.63 km) |
| Spa to Olonne-sur-Mer | 443.36 mi (713.52 km) |
| Spa to Oloron-Sainte-Marie | 589.23 mi (948.27 km) |
| Spa to Onet Village | 449.97 mi (724.15 km) |
| Spa to Onnaing | 99.98 mi (160.90 km) |
| Spa to Orange | 441.79 mi (710.99 km) |
| Spa to Orchies | 115.19 mi (185.37 km) |
| Spa to Orleans | 252.74 mi (406.75 km) |
| Spa to Orly | 196.80 mi (316.72 km) |
| Spa to Ormesson-sur-Marne | 189.84 mi (305.52 km) |
| Spa to Orsay | 206.08 mi (331.65 km) |
| Spa to Orthez | 575.67 mi (926.46 km) |
