| East Islip to Clemson (South Carolina) | 670.95 mi (1,079.79 km) |
| East Islip to Clermont (Florida) | 971.00 mi (1,562.68 km) |
| East Islip to Cleveland (Mississippi) | 1,076.11 mi (1,731.83 km) |
| East Islip to Cleveland (Ohio) | 445.07 mi (716.27 km) |
| East Islip to Cleveland (Tennessee) | 741.95 mi (1,194.05 km) |
| East Islip to Cleveland Heights (Ohio) | 439.21 mi (706.84 km) |
| East Islip to Cliffside Park (New Jersey) | 42.44 mi (68.30 km) |
| East Islip to Clifton (Colorado) | 1,860.57 mi (2,994.31 km) |
| East Islip to Clifton (New Jersey) | 51.65 mi (83.12 km) |
| East Islip to Clinton (Iowa) | 887.34 mi (1,428.04 km) |
| East Islip to Clinton (Maryland) | 240.15 mi (386.48 km) |
| East Islip to Clinton (Mississippi) | 1,111.14 mi (1,788.20 km) |
| East Islip to Clinton (Utah) | 2,012.49 mi (3,238.79 km) |
| East Islip to Clive (Iowa) | 1,071.20 mi (1,723.93 km) |
| East Islip to Cloquet (Minnesota) | 1,045.70 mi (1,682.89 km) |
