| Olsberg to Cabestany | 652.93 mi (1,050.78 km) |
| Olsberg to Cabries | 565.27 mi (909.71 km) |
| Olsberg to Cachan | 324.88 mi (522.85 km) |
| Olsberg to Caen | 418.45 mi (673.43 km) |
| Olsberg to Cagnes-sur-Mer | 534.64 mi (860.42 km) |
| Olsberg to Cahors | 577.24 mi (928.98 km) |
| Olsberg to Calais | 288.46 mi (464.24 km) |
| Olsberg to Caluire-et-Cuire | 418.11 mi (672.89 km) |
| Olsberg to Cambrai | 243.18 mi (391.36 km) |
| Olsberg to Canet-en-Roussillon | 650.12 mi (1,046.27 km) |
| Olsberg to Cannes | 543.17 mi (874.15 km) |
| Olsberg to Canteleu | 353.05 mi (568.18 km) |
| Olsberg to Capbreton | 704.36 mi (1,133.56 km) |
| Olsberg to Carcassonne | 631.11 mi (1,015.67 km) |
| Olsberg to Carmaux | 583.42 mi (938.92 km) |
