| Richterswil to Octeville | 502.15 mi (808.14 km) |
| Richterswil to Oignies | 343.09 mi (552.15 km) |
| Richterswil to Oissel | 379.20 mi (610.26 km) |
| Richterswil to Olivet | 320.17 mi (515.27 km) |
| Richterswil to Ollioules | 314.07 mi (505.44 km) |
| Richterswil to Olonne-sur-Mer | 496.49 mi (799.02 km) |
| Richterswil to Oloron-Sainte-Marie | 530.98 mi (854.53 km) |
| Richterswil to Onet Village | 353.89 mi (569.53 km) |
| Richterswil to Onnaing | 319.10 mi (513.55 km) |
| Richterswil to Orange | 283.67 mi (456.52 km) |
| Richterswil to Orchies | 334.82 mi (538.84 km) |
| Richterswil to Orleans | 320.05 mi (515.08 km) |
| Richterswil to Orly | 310.09 mi (499.05 km) |
| Richterswil to Ormesson-sur-Marne | 304.69 mi (490.35 km) |
| Richterswil to Orsay | 318.12 mi (511.97 km) |
