| East Islip to Collegno | 3,922.89 mi (6,313.29 km) |
| East Islip to Cologno al Serio | 3,999.12 mi (6,435.96 km) |
| East Islip to Cologno Monzese | 3,982.72 mi (6,409.58 km) |
| East Islip to Colorno | 4,049.44 mi (6,516.94 km) |
| East Islip to Comacchio | 4,134.61 mi (6,654.01 km) |
| East Islip to Comiso | 4,521.75 mi (7,277.06 km) |
| East Islip to Como | 3,965.60 mi (6,382.02 km) |
| East Islip to Concordia Sagittaria | 4,127.23 mi (6,642.13 km) |
| East Islip to Concorezzo | 3,983.27 mi (6,410.46 km) |
| East Islip to Conegliano | 4,099.91 mi (6,598.17 km) |
| East Islip to Conselice | 4,125.72 mi (6,639.70 km) |
| East Islip to Conselve | 4,103.25 mi (6,603.55 km) |
| East Islip to Conversano | 4,481.88 mi (7,212.89 km) |
| East Islip to Copertino | 4,549.40 mi (7,321.55 km) |
| East Islip to Copparo | 4,112.90 mi (6,619.08 km) |
