| Boucau to Cologno al Serio | 568.34 mi (914.66 km) |
| Boucau to Cologno Monzese | 547.59 mi (881.27 km) |
| Boucau to Colorno | 595.14 mi (957.78 km) |
| Boucau to Comacchio | 682.17 mi (1,097.85 km) |
| Boucau to Comiso | 960.08 mi (1,545.10 km) |
| Boucau to Como | 542.56 mi (873.16 km) |
| Boucau to Concordia Sagittaria | 720.54 mi (1,159.60 km) |
| Boucau to Concorezzo | 551.13 mi (886.96 km) |
| Boucau to Conegliano | 695.34 mi (1,119.04 km) |
| Boucau to Conselice | 664.60 mi (1,069.57 km) |
| Boucau to Conselve | 669.12 mi (1,076.85 km) |
| Boucau to Conversano | 965.65 mi (1,554.07 km) |
| Boucau to Copertino | 1,027.10 mi (1,652.95 km) |
| Boucau to Copparo | 665.70 mi (1,071.34 km) |
| Boucau to Corato | 926.25 mi (1,490.66 km) |
