| Gretna to Carpentras | 5,048.03 mi (8,124.01 km) |
| Gretna to Carquefou | 4,670.04 mi (7,515.70 km) |
| Gretna to Carqueiranne | 5,123.19 mi (8,244.97 km) |
| Gretna to Carrieres-sous-Poissy | 4,780.57 mi (7,693.59 km) |
| Gretna to Carrieres-sur-Seine | 4,792.06 mi (7,712.07 km) |
| Gretna to Carros | 5,152.44 mi (8,292.05 km) |
| Gretna to Carvin | 4,778.44 mi (7,690.15 km) |
| Gretna to Castanet-Tolosan | 4,902.39 mi (7,889.63 km) |
| Gretna to Castelginest | 4,894.49 mi (7,876.91 km) |
| Gretna to Castelnau-le-Lez | 5,008.65 mi (8,060.65 km) |
| Gretna to Castelnaudary | 4,928.82 mi (7,932.17 km) |
| Gretna to Castelsarrasin | 4,870.11 mi (7,837.68 km) |
| Gretna to Castres | 4,934.49 mi (7,941.30 km) |
| Gretna to Caudebec-les-Elbeuf | 4,729.31 mi (7,611.09 km) |
| Gretna to Caudry | 4,806.62 mi (7,735.51 km) |
