| Gretna to Busto Arsizio | 5,166.92 mi (8,315.36 km) |
| Gretna to Busto Garolfo | 5,170.46 mi (8,321.06 km) |
| Gretna to Cabras | 5,336.80 mi (8,588.75 km) |
| Gretna to Cadelbosco di Sopra | 5,269.52 mi (8,480.47 km) |
| Gretna to Cadoneghe | 5,303.41 mi (8,535.01 km) |
| Gretna to Cagli | 5,399.34 mi (8,689.40 km) |
| Gretna to Cagliari | 5,387.22 mi (8,669.88 km) |
| Gretna to Cairo Montenotte | 5,180.09 mi (8,336.55 km) |
| Gretna to Caivano | 5,564.08 mi (8,954.52 km) |
| Gretna to Calcinaia | 5,306.35 mi (8,539.75 km) |
| Gretna to Calcinato | 5,238.72 mi (8,430.90 km) |
| Gretna to Calderara di Reno | 5,304.87 mi (8,537.37 km) |
| Gretna to Caldogno | 5,279.81 mi (8,497.03 km) |
| Gretna to Calenzano | 5,324.16 mi (8,568.41 km) |
| Gretna to Calolziocorte | 5,185.77 mi (8,345.69 km) |
