| East Islip to Cullman (Alabama) | 873.45 mi (1,405.68 km) |
| East Islip to Culpeper (Virginia) | 299.84 mi (482.55 km) |
| East Islip to Culver City (California) | 2,497.60 mi (4,019.50 km) |
| East Islip to Cumberland (Maryland) | 303.24 mi (488.01 km) |
| East Islip to Cupertino (California) | 2,599.48 mi (4,183.46 km) |
| East Islip to Cutler Bay (Florida) | 1,124.39 mi (1,809.54 km) |
| East Islip to Cutlerville (Michigan) | 659.03 mi (1,060.60 km) |
| East Islip to Cuyahoga Falls (Ohio) | 435.82 mi (701.38 km) |
| East Islip to Cypress (California) | 2,484.26 mi (3,998.04 km) |
| East Islip to Cypress Gardens (Florida) | 1,002.57 mi (1,613.48 km) |
| East Islip to Cypress Lake (Florida) | 1,099.49 mi (1,769.45 km) |
| East Islip to D'Iberville (Mississippi) | 1,128.93 mi (1,816.83 km) |
| East Islip to Dakota Ridge (Colorado) | 1,679.07 mi (2,702.20 km) |
| East Islip to Dale City (Virginia) | 263.63 mi (424.26 km) |
| East Islip to Dallas (Georgia) | 793.52 mi (1,277.05 km) |
