| Boulder City to Carpentras | 5,757.79 mi (9,266.27 km) |
| Boulder City to Carquefou | 5,374.09 mi (8,648.77 km) |
| Boulder City to Carqueiranne | 5,841.07 mi (9,400.29 km) |
| Boulder City to Carrieres-sous-Poissy | 5,420.65 mi (8,723.70 km) |
| Boulder City to Carrieres-sur-Seine | 5,430.75 mi (8,739.94 km) |
| Boulder City to Carros | 5,846.34 mi (9,408.78 km) |
| Boulder City to Carvin | 5,378.48 mi (8,655.82 km) |
| Boulder City to Castanet-Tolosan | 5,656.09 mi (9,102.60 km) |
| Boulder City to Castelginest | 5,645.34 mi (9,085.30 km) |
| Boulder City to Castelnau-le-Lez | 5,737.49 mi (9,233.59 km) |
| Boulder City to Castelnaudary | 5,682.13 mi (9,144.51 km) |
| Boulder City to Castelsarrasin | 5,617.18 mi (9,039.98 km) |
| Boulder City to Castres | 5,679.62 mi (9,140.46 km) |
| Boulder City to Caudebec-les-Elbeuf | 5,371.09 mi (8,643.93 km) |
| Boulder City to Caudry | 5,410.46 mi (8,707.30 km) |
