| Great Neck to Collegno | 3,943.74 mi (6,346.83 km) |
| Great Neck to Cologno al Serio | 4,019.49 mi (6,468.74 km) |
| Great Neck to Cologno Monzese | 4,003.17 mi (6,442.47 km) |
| Great Neck to Colorno | 4,069.95 mi (6,549.95 km) |
| Great Neck to Comacchio | 4,154.95 mi (6,686.74 km) |
| Great Neck to Comiso | 4,544.27 mi (7,313.29 km) |
| Great Neck to Como | 3,985.96 mi (6,414.79 km) |
| Great Neck to Concordia Sagittaria | 4,147.08 mi (6,674.07 km) |
| Great Neck to Concorezzo | 4,003.68 mi (6,443.31 km) |
| Great Neck to Conegliano | 4,119.79 mi (6,630.17 km) |
| Great Neck to Conselice | 4,146.17 mi (6,672.62 km) |
| Great Neck to Conselve | 4,123.44 mi (6,636.04 km) |
| Great Neck to Conversano | 4,502.75 mi (7,246.47 km) |
| Great Neck to Copertino | 4,570.34 mi (7,355.25 km) |
| Great Neck to Copparo | 4,133.22 mi (6,651.78 km) |
