| East Islip to Carrollwood (Florida) | 1,022.73 mi (1,645.92 km) |
| East Islip to Carson (California) | 2,495.04 mi (4,015.38 km) |
| East Islip to Carson City (Nevada) | 2,439.81 mi (3,926.49 km) |
| East Islip to Carteret (New Jersey) | 55.45 mi (89.24 km) |
| East Islip to Cartersville (Georgia) | 780.81 mi (1,256.60 km) |
| East Islip to Carthage (Missouri) | 1,159.40 mi (1,865.87 km) |
| East Islip to Cary (Illinois) | 785.51 mi (1,264.16 km) |
| East Islip to Cary (North Carolina) | 458.13 mi (737.29 km) |
| East Islip to Casa de Oro-Mount Helix (California) | 2,459.15 mi (3,957.62 km) |
| East Islip to Casa Grande (Arizona) | 2,182.30 mi (3,512.07 km) |
| East Islip to Casas Adobes (Arizona) | 2,160.10 mi (3,476.35 km) |
| East Islip to Cascades (Virginia) | 251.07 mi (404.06 km) |
| East Islip to Casper (Wyoming) | 1,702.29 mi (2,739.57 km) |
| East Islip to Casselberry (Florida) | 951.96 mi (1,532.03 km) |
| East Islip to Castaic (California) | 2,496.50 mi (4,017.73 km) |
