| American Canyon to Cividale del Friuli | 5,999.17 mi (9,654.74 km) |
| American Canyon to Civita Castellana | 6,189.81 mi (9,961.53 km) |
| American Canyon to Civitanova Marche | 6,169.08 mi (9,928.17 km) |
| American Canyon to Civitavecchia | 6,183.47 mi (9,951.33 km) |
| American Canyon to Civitella in Val di Chiana | 6,106.04 mi (9,826.72 km) |
| American Canyon to Clusone | 5,916.68 mi (9,521.98 km) |
| American Canyon to Coccaglio | 5,935.43 mi (9,552.15 km) |
| American Canyon to Codigoro | 6,036.42 mi (9,714.68 km) |
| American Canyon to Codogno | 5,950.28 mi (9,576.05 km) |
| American Canyon to Codroipo | 5,995.07 mi (9,648.13 km) |
| American Canyon to Cogoleto | 5,962.57 mi (9,595.83 km) |
| American Canyon to Colle di Val d'Elsa | 6,090.33 mi (9,801.45 km) |
| American Canyon to Colle Salvetti | 6,060.31 mi (9,753.12 km) |
| American Canyon to Collecchio | 5,987.88 mi (9,636.57 km) |
| American Canyon to Colleferro | 6,239.45 mi (10,041.42 km) |
