| Boulder City to Celano | 6,146.81 mi (9,892.34 km) |
| Boulder City to Cento | 5,933.46 mi (9,548.98 km) |
| Boulder City to Cepagatti | 6,148.29 mi (9,894.71 km) |
| Boulder City to Ceprano | 6,174.12 mi (9,936.28 km) |
| Boulder City to Cercola | 6,238.08 mi (10,039.21 km) |
| Boulder City to Cerea | 5,906.99 mi (9,506.39 km) |
| Boulder City to Cerese | 5,899.81 mi (9,494.82 km) |
| Boulder City to Cerignola | 6,266.51 mi (10,084.97 km) |
| Boulder City to Cermenate | 5,812.35 mi (9,354.07 km) |
| Boulder City to Cernusco sul Naviglio | 5,829.85 mi (9,382.23 km) |
| Boulder City to Cerreto Guidi | 5,970.79 mi (9,609.05 km) |
| Boulder City to Cerro Maggiore | 5,813.08 mi (9,355.26 km) |
| Boulder City to Certaldo | 5,987.36 mi (9,635.73 km) |
| Boulder City to Cerveteri | 6,103.45 mi (9,822.55 km) |
| Boulder City to Cervia | 5,992.77 mi (9,644.42 km) |
