| East Islip to Crawfordsville (Indiana) | 722.39 mi (1,162.58 km) |
| East Islip to Crest Hill (Illinois) | 777.76 mi (1,251.68 km) |
| East Islip to Crestview (Florida) | 1,017.27 mi (1,637.14 km) |
| East Islip to Crestwood (Illinois) | 758.48 mi (1,220.65 km) |
| East Islip to Crestwood (Missouri) | 925.32 mi (1,489.16 km) |
| East Islip to Creve Coeur (Missouri) | 926.88 mi (1,491.67 km) |
| East Islip to Crofton (Maryland) | 219.73 mi (353.62 km) |
| East Islip to Crossville (Tennessee) | 720.70 mi (1,159.85 km) |
| East Islip to Crowley (Louisiana) | 1,296.53 mi (2,086.56 km) |
| East Islip to Crowley (Texas) | 1,447.25 mi (2,329.13 km) |
| East Islip to Crown Point (Indiana) | 738.24 mi (1,188.08 km) |
| East Islip to Crystal (Minnesota) | 1,060.71 mi (1,707.05 km) |
| East Islip to Crystal Lake (Illinois) | 789.95 mi (1,271.30 km) |
| East Islip to Cudahy (California) | 2,487.65 mi (4,003.48 km) |
| East Islip to Cudahy (Wisconsin) | 769.92 mi (1,239.07 km) |
