| Olten to Chaudfontaine | 245.89 mi (395.73 km) |
| Olten to Chaumont-Gistoux | 272.26 mi (438.16 km) |
| Olten to Chimay | 247.94 mi (399.02 km) |
| Olten to Ciney | 240.31 mi (386.74 km) |
| Olten to Colfontaine | 279.95 mi (450.54 km) |
| Olten to Courcelles | 267.76 mi (430.91 km) |
| Olten to Court-Saint-Etienne | 272.52 mi (438.57 km) |
| Olten to Couvin | 243.01 mi (391.08 km) |
| Olten to Damme | 340.27 mi (547.60 km) |
| Olten to De Haan | 348.44 mi (560.77 km) |
| Olten to De Panne | 352.77 mi (567.73 km) |
| Olten to De Pinte | 316.83 mi (509.89 km) |
| Olten to Deerlijk | 317.51 mi (510.99 km) |
| Olten to Deinze | 319.16 mi (513.63 km) |
| Olten to Denderleeuw | 298.89 mi (481.02 km) |
