| East Islip to Cadillac (Michigan) | 668.15 mi (1,075.29 km) |
| East Islip to Caguas (Puerto Rico) | 1,611.07 mi (2,592.77 km) |
| East Islip to Cahokia (Illinois) | 914.78 mi (1,472.20 km) |
| East Islip to Calabasas (California) | 2,508.08 mi (4,036.37 km) |
| East Islip to Caldwell (Idaho) | 2,209.25 mi (3,555.45 km) |
| East Islip to Caledonia (Wisconsin) | 769.44 mi (1,238.29 km) |
| East Islip to Calera (Alabama) | 912.91 mi (1,469.18 km) |
| East Islip to Calexico (California) | 2,384.33 mi (3,837.21 km) |
| East Islip to Calhoun (Georgia) | 773.08 mi (1,244.15 km) |
| East Islip to California (Maryland) | 243.39 mi (391.69 km) |
| East Islip to California City (California) | 2,438.50 mi (3,924.39 km) |
| East Islip to Callaway (Florida) | 1,008.13 mi (1,622.43 km) |
| East Islip to Calumet City (Illinois) | 748.71 mi (1,204.93 km) |
| East Islip to Calverton (Maryland) | 230.30 mi (370.63 km) |
| East Islip to Camano (Washington) | 2,440.89 mi (3,928.23 km) |
