| Boulder City to Cervignano del Friuli | 5,940.59 mi (9,560.46 km) |
| Boulder City to Cesa | 6,228.87 mi (10,024.40 km) |
| Boulder City to Cesano Maderno | 5,817.91 mi (9,363.02 km) |
| Boulder City to Cesena | 5,995.51 mi (9,648.84 km) |
| Boulder City to Cesenatico | 5,997.09 mi (9,651.39 km) |
| Boulder City to Cetraro | 6,364.53 mi (10,242.72 km) |
| Boulder City to Cherasco | 5,825.22 mi (9,374.78 km) |
| Boulder City to Chiampo | 5,890.87 mi (9,480.45 km) |
| Boulder City to Chiaravalle | 6,058.88 mi (9,750.82 km) |
| Boulder City to Chiari | 5,847.56 mi (9,410.73 km) |
| Boulder City to Chiavari | 5,891.19 mi (9,480.95 km) |
| Boulder City to Chieri | 5,805.42 mi (9,342.91 km) |
| Boulder City to Chieti | 6,152.40 mi (9,901.33 km) |
| Boulder City to Chioggia | 5,939.68 mi (9,558.99 km) |
| Boulder City to Chiusi | 6,045.01 mi (9,728.51 km) |
