| East Islip to Cordele (Georgia) | 843.73 mi (1,357.85 km) |
| East Islip to Corinth (Mississippi) | 925.03 mi (1,488.69 km) |
| East Islip to Corinth (Texas) | 1,413.49 mi (2,274.79 km) |
| East Islip to Cornelius (North Carolina) | 553.47 mi (890.72 km) |
| East Islip to Cornelius (Oregon) | 2,495.63 mi (4,016.33 km) |
| East Islip to Corning (New York) | 223.15 mi (359.13 km) |
| East Islip to Corona (California) | 2,458.24 mi (3,956.15 km) |
| East Islip to Coronado (California) | 2,472.16 mi (3,978.55 km) |
| East Islip to Corpus Christi (Texas) | 1,639.45 mi (2,638.45 km) |
| East Islip to Corsicana (Texas) | 1,419.86 mi (2,285.04 km) |
| East Islip to Cortland (New York) | 201.52 mi (324.32 km) |
| East Islip to Corvallis (Oregon) | 2,519.36 mi (4,054.51 km) |
| East Islip to Coshocton (Ohio) | 456.03 mi (733.91 km) |
| East Islip to Costa Mesa (California) | 2,482.04 mi (3,994.46 km) |
| East Islip to Coto de Caza (California) | 2,466.96 mi (3,970.19 km) |
