| East Islip to Clarksdale (Mississippi) | 1,052.26 mi (1,693.45 km) |
| East Islip to Clarkston (Georgia) | 771.97 mi (1,242.37 km) |
| East Islip to Clarksville (Indiana) | 690.07 mi (1,110.56 km) |
| East Islip to Clarksville (Tennessee) | 814.84 mi (1,311.35 km) |
| East Islip to Clawson (Michigan) | 529.19 mi (851.65 km) |
| East Islip to Clay (Alabama) | 882.43 mi (1,420.14 km) |
| East Islip to Clayton (California) | 2,578.49 mi (4,149.69 km) |
| East Islip to Clayton (Missouri) | 921.29 mi (1,482.68 km) |
| East Islip to Clayton (North Carolina) | 451.73 mi (726.98 km) |
| East Islip to Clayton (Ohio) | 589.74 mi (949.10 km) |
| East Islip to Clearfield (Utah) | 2,010.90 mi (3,236.23 km) |
| East Islip to Clearlake (California) | 2,590.91 mi (4,169.66 km) |
| East Islip to Clearwater (Florida) | 1,034.80 mi (1,665.34 km) |
| East Islip to Cleburne (Texas) | 1,457.75 mi (2,346.03 km) |
| East Islip to Clemmons (North Carolina) | 506.86 mi (815.71 km) |
