| Great Neck to Cividale del Friuli | 4,160.23 mi (6,695.24 km) |
| Great Neck to Civita Castellana | 4,248.09 mi (6,836.64 km) |
| Great Neck to Civitanova Marche | 4,270.17 mi (6,872.18 km) |
| Great Neck to Civitavecchia | 4,228.13 mi (6,804.52 km) |
| Great Neck to Civitella in Val di Chiana | 4,178.71 mi (6,724.98 km) |
| Great Neck to Clusone | 4,020.52 mi (6,470.39 km) |
| Great Neck to Coccaglio | 4,032.03 mi (6,488.93 km) |
| Great Neck to Codigoro | 4,147.58 mi (6,674.88 km) |
| Great Neck to Codogno | 4,033.37 mi (6,491.08 km) |
| Great Neck to Codroipo | 4,145.89 mi (6,672.16 km) |
| Great Neck to Cogoleto | 4,012.41 mi (6,457.35 km) |
| Great Neck to Colle di Val d'Elsa | 4,153.85 mi (6,684.98 km) |
| Great Neck to Colle Salvetti | 4,118.68 mi (6,628.38 km) |
| Great Neck to Collecchio | 4,068.81 mi (6,548.11 km) |
| Great Neck to Colleferro | 4,294.82 mi (6,911.84 km) |
