| Gretna to Carterton | 4,563.14 mi (7,343.66 km) |
| Gretna to Castle Bromwich | 4,539.10 mi (7,304.97 km) |
| Gretna to Castleford | 4,530.24 mi (7,290.72 km) |
| Gretna to Castleton | 4,500.94 mi (7,243.56 km) |
| Gretna to Caterham | 4,635.27 mi (7,459.74 km) |
| Gretna to Catford | 4,633.89 mi (7,457.52 km) |
| Gretna to Caversham | 4,594.72 mi (7,394.49 km) |
| Gretna to Chaddesden | 4,543.79 mi (7,312.52 km) |
| Gretna to Chalfont Saint Peter | 4,608.46 mi (7,416.61 km) |
| Gretna to Chandlers Ford | 4,588.99 mi (7,385.26 km) |
| Gretna to Chapel en le Frith | 4,516.58 mi (7,268.74 km) |
| Gretna to Chapeltown | 4,531.33 mi (7,292.47 km) |
| Gretna to Chard | 4,526.18 mi (7,284.19 km) |
| Gretna to Charlton Kings | 4,542.06 mi (7,309.75 km) |
| Gretna to Chatham | 4,657.57 mi (7,495.63 km) |
