| Gretna to Celano | 5,490.44 mi (8,836.01 km) |
| Gretna to Cento | 5,299.98 mi (8,529.49 km) |
| Gretna to Cepagatti | 5,502.71 mi (8,855.76 km) |
| Gretna to Ceprano | 5,507.76 mi (8,863.88 km) |
| Gretna to Cercola | 5,569.32 mi (8,962.96 km) |
| Gretna to Cerea | 5,281.46 mi (8,499.68 km) |
| Gretna to Cerese | 5,266.54 mi (8,475.68 km) |
| Gretna to Cerignola | 5,623.02 mi (9,049.38 km) |
| Gretna to Cermenate | 5,174.03 mi (8,326.80 km) |
| Gretna to Cernusco sul Naviglio | 5,190.61 mi (8,353.48 km) |
| Gretna to Cerreto Guidi | 5,315.20 mi (8,553.98 km) |
| Gretna to Cerro Maggiore | 5,171.52 mi (8,322.75 km) |
| Gretna to Certaldo | 5,329.46 mi (8,576.93 km) |
| Gretna to Cerveteri | 5,429.10 mi (8,737.30 km) |
| Gretna to Cervia | 5,362.13 mi (8,629.52 km) |
