| West Islip to Cervignano del Friuli | 4,151.22 mi (6,680.74 km) |
| West Islip to Cesa | 4,360.62 mi (7,017.74 km) |
| West Islip to Cesano Maderno | 3,979.31 mi (6,404.09 km) |
| West Islip to Cesena | 4,161.73 mi (6,697.65 km) |
| West Islip to Cesenatico | 4,166.12 mi (6,704.72 km) |
| West Islip to Cetraro | 4,491.48 mi (7,228.33 km) |
| West Islip to Cherasco | 3,954.64 mi (6,364.38 km) |
| West Islip to Chiampo | 4,073.43 mi (6,555.55 km) |
| West Islip to Chiaravalle | 4,227.30 mi (6,803.19 km) |
| West Islip to Chiari | 4,014.53 mi (6,460.76 km) |
| West Islip to Chiavari | 4,029.41 mi (6,484.70 km) |
| West Islip to Chieri | 3,941.33 mi (6,342.96 km) |
| West Islip to Chieti | 4,307.67 mi (6,932.52 km) |
| West Islip to Chioggia | 4,126.78 mi (6,641.41 km) |
| West Islip to Chiusi | 4,187.30 mi (6,738.81 km) |
