| Iselin to Clemson (South Carolina) | 617.11 mi (993.14 km) |
| Iselin to Clermont (Florida) | 931.42 mi (1,498.98 km) |
| Iselin to Cleveland (Mississippi) | 1,017.07 mi (1,636.81 km) |
| Iselin to Cleveland (Ohio) | 388.78 mi (625.68 km) |
| Iselin to Cleveland (Tennessee) | 684.71 mi (1,101.94 km) |
| Iselin to Cleveland Heights (Ohio) | 383.08 mi (616.50 km) |
| Iselin to Cliffside Park (New Jersey) | 24.53 mi (39.48 km) |
| Iselin to Clifton (Colorado) | 1,803.42 mi (2,902.32 km) |
| Iselin to Clifton (New Jersey) | 21.92 mi (35.28 km) |
| Iselin to Clinton (Iowa) | 831.21 mi (1,337.70 km) |
| Iselin to Clinton (Maryland) | 186.47 mi (300.09 km) |
| Iselin to Clinton (Mississippi) | 1,053.37 mi (1,695.23 km) |
| Iselin to Clinton (Utah) | 1,957.49 mi (3,150.28 km) |
| Iselin to Clive (Iowa) | 1,014.81 mi (1,633.18 km) |
| Iselin to Cloquet (Minnesota) | 1,000.09 mi (1,609.49 km) |
