| American Canyon to Collegno | 5,892.91 mi (9,483.72 km) |
| American Canyon to Cologno al Serio | 5,926.44 mi (9,537.68 km) |
| American Canyon to Cologno Monzese | 5,917.50 mi (9,523.29 km) |
| American Canyon to Colorno | 5,982.30 mi (9,627.58 km) |
| American Canyon to Comacchio | 6,045.87 mi (9,729.89 km) |
| American Canyon to Comiso | 6,562.48 mi (10,561.30 km) |
| American Canyon to Como | 5,896.31 mi (9,489.20 km) |
| American Canyon to Concordia Sagittaria | 6,002.87 mi (9,660.69 km) |
| American Canyon to Concorezzo | 5,915.73 mi (9,520.45 km) |
| American Canyon to Conegliano | 5,981.13 mi (9,625.70 km) |
| American Canyon to Conselice | 6,046.64 mi (9,731.12 km) |
| American Canyon to Conselve | 6,006.71 mi (9,666.87 km) |
| American Canyon to Conversano | 6,397.58 mi (10,295.91 km) |
| American Canyon to Copertino | 6,464.10 mi (10,402.96 km) |
| American Canyon to Copparo | 6,024.79 mi (9,695.96 km) |
