| Howard to Carpentras | 4,326.43 mi (6,962.72 km) |
| Howard to Carquefou | 3,939.55 mi (6,340.09 km) |
| Howard to Carqueiranne | 4,407.42 mi (7,093.06 km) |
| Howard to Carrieres-sous-Poissy | 4,015.66 mi (6,462.59 km) |
| Howard to Carrieres-sur-Seine | 4,026.58 mi (6,480.16 km) |
| Howard to Carros | 4,423.17 mi (7,118.40 km) |
| Howard to Carvin | 3,992.32 mi (6,425.02 km) |
| Howard to Castanet-Tolosan | 4,205.21 mi (6,767.63 km) |
| Howard to Castelginest | 4,195.43 mi (6,751.90 km) |
| Howard to Castelnau-le-Lez | 4,297.79 mi (6,916.62 km) |
| Howard to Castelnaudary | 4,231.76 mi (6,810.35 km) |
| Howard to Castelsarrasin | 4,168.39 mi (6,708.38 km) |
| Howard to Castres | 4,232.47 mi (6,811.50 km) |
| Howard to Caudebec-les-Elbeuf | 3,964.50 mi (6,380.25 km) |
| Howard to Caudry | 4,022.94 mi (6,474.29 km) |
