| Altena to Cabestany | 635.46 mi (1,022.67 km) |
| Altena to Cabries | 553.37 mi (890.56 km) |
| Altena to Cachan | 293.24 mi (471.92 km) |
| Altena to Caen | 383.91 mi (617.84 km) |
| Altena to Cagnes-sur-Mer | 528.12 mi (849.93 km) |
| Altena to Cahors | 554.00 mi (891.58 km) |
| Altena to Calais | 253.07 mi (407.28 km) |
| Altena to Caluire-et-Cuire | 401.53 mi (646.20 km) |
| Altena to Cambrai | 208.68 mi (335.84 km) |
| Altena to Canet-en-Roussillon | 632.77 mi (1,018.35 km) |
| Altena to Cannes | 536.25 mi (863.01 km) |
| Altena to Canteleu | 318.73 mi (512.95 km) |
| Altena to Capbreton | 677.59 mi (1,090.48 km) |
| Altena to Carcassonne | 611.65 mi (984.36 km) |
| Altena to Carmaux | 562.34 mi (905.00 km) |
