| Gretna to Cabestany | 4,992.48 mi (8,034.62 km) |
| Gretna to Cabries | 5,081.32 mi (8,177.59 km) |
| Gretna to Cachan | 4,796.98 mi (7,720.00 km) |
| Gretna to Caen | 4,673.13 mi (7,520.68 km) |
| Gretna to Cagnes-sur-Mer | 5,153.84 mi (8,294.30 km) |
| Gretna to Cahors | 4,874.20 mi (7,844.27 km) |
| Gretna to Calais | 4,722.04 mi (7,599.39 km) |
| Gretna to Caluire-et-Cuire | 4,987.92 mi (8,027.28 km) |
| Gretna to Cambrai | 4,798.05 mi (7,721.72 km) |
| Gretna to Canet-en-Roussillon | 4,994.73 mi (8,038.24 km) |
| Gretna to Cannes | 5,151.29 mi (8,290.20 km) |
| Gretna to Canteleu | 4,725.67 mi (7,605.24 km) |
| Gretna to Capbreton | 4,763.69 mi (7,666.42 km) |
| Gretna to Carcassonne | 4,950.06 mi (7,966.36 km) |
| Gretna to Carmaux | 4,917.74 mi (7,914.34 km) |
