| East Islip to Cloverleaf (Texas) | 1,446.26 mi (2,327.53 km) |
| East Islip to Cloverly (Maryland) | 230.92 mi (371.63 km) |
| East Islip to Clovis (California) | 2,489.69 mi (4,006.77 km) |
| East Islip to Clovis (New Mexico) | 1,690.34 mi (2,720.35 km) |
| East Islip to Clute (Texas) | 1,489.43 mi (2,397.01 km) |
| East Islip to Coachella (California) | 2,388.77 mi (3,844.35 km) |
| East Islip to Coalinga (California) | 2,540.13 mi (4,087.94 km) |
| East Islip to Coamo (Puerto Rico) | 1,616.56 mi (2,601.59 km) |
| East Islip to Coatesville (Pennsylvania) | 147.78 mi (237.82 km) |
| East Islip to Cockeysville (Maryland) | 201.23 mi (323.85 km) |
| East Islip to Cocoa (Florida) | 954.79 mi (1,536.59 km) |
| East Islip to Cocoa Beach (Florida) | 954.36 mi (1,535.89 km) |
| East Islip to Coconut Creek (Florida) | 1,075.47 mi (1,730.79 km) |
| East Islip to Coeur d'Alene (Idaho) | 2,182.20 mi (3,511.91 km) |
| East Islip to Cohoes (New York) | 143.99 mi (231.73 km) |
