| Olten to Cabestany | 403.19 mi (648.87 km) |
| Olten to Cabries | 296.43 mi (477.06 km) |
| Olten to Cachan | 275.62 mi (443.57 km) |
| Olten to Caen | 400.59 mi (644.69 km) |
| Olten to Cagnes-sur-Mer | 257.23 mi (413.97 km) |
| Olten to Cahors | 369.52 mi (594.69 km) |
| Olten to Calais | 369.11 mi (594.03 km) |
| Olten to Caluire-et-Cuire | 180.43 mi (290.38 km) |
| Olten to Cambrai | 288.47 mi (464.25 km) |
| Olten to Canet-en-Roussillon | 399.90 mi (643.57 km) |
| Olten to Cannes | 265.96 mi (428.02 km) |
| Olten to Canteleu | 346.55 mi (557.71 km) |
| Olten to Capbreton | 519.04 mi (835.31 km) |
| Olten to Carcassonne | 393.03 mi (632.52 km) |
| Olten to Carmaux | 358.70 mi (577.27 km) |
