| Richterswil to Opwijk | 329.86 mi (530.86 km) |
| Richterswil to Ostend | 380.27 mi (611.99 km) |
| Richterswil to Oud-Heverlee | 309.47 mi (498.04 km) |
| Richterswil to Oud-Turnhout | 329.03 mi (529.53 km) |
| Richterswil to Oudenaarde | 341.00 mi (548.79 km) |
| Richterswil to Oudenburg | 375.73 mi (604.67 km) |
| Richterswil to Oupeye | 278.20 mi (447.73 km) |
| Richterswil to Overijse | 310.38 mi (499.50 km) |
| Richterswil to Overpelt | 313.51 mi (504.55 km) |
| Richterswil to Paal | 308.44 mi (496.38 km) |
| Richterswil to Peer | 307.68 mi (495.17 km) |
| Richterswil to Pepinster | 265.90 mi (427.93 km) |
| Richterswil to Peruwelz | 325.54 mi (523.91 km) |
| Richterswil to Perwez | 294.09 mi (473.28 km) |
| Richterswil to Philippeville | 279.72 mi (450.16 km) |
