| Iselin to Clarksdale (Mississippi) | 992.98 mi (1,598.05 km) |
| Iselin to Clarkston (Georgia) | 717.72 mi (1,155.06 km) |
| Iselin to Clarksville (Indiana) | 629.84 mi (1,013.64 km) |
| Iselin to Clarksville (Tennessee) | 754.98 mi (1,215.03 km) |
| Iselin to Clawson (Michigan) | 476.25 mi (766.45 km) |
| Iselin to Clay (Alabama) | 825.78 mi (1,328.97 km) |
| Iselin to Clayton (California) | 2,522.74 mi (4,059.96 km) |
| Iselin to Clayton (Missouri) | 861.48 mi (1,386.43 km) |
| Iselin to Clayton (North Carolina) | 406.81 mi (654.70 km) |
| Iselin to Clayton (Ohio) | 530.14 mi (853.18 km) |
| Iselin to Clearfield (Utah) | 1,955.87 mi (3,147.66 km) |
| Iselin to Clearlake (California) | 2,535.94 mi (4,081.20 km) |
| Iselin to Clearwater (Florida) | 993.43 mi (1,598.77 km) |
| Iselin to Cleburne (Texas) | 1,397.84 mi (2,249.60 km) |
| Iselin to Clemmons (North Carolina) | 454.30 mi (731.12 km) |
