| Gainsborough to Cosham | 177.26 mi (285.27 km) |
| Gainsborough to Costessey | 97.24 mi (156.49 km) |
| Gainsborough to Cottingham | 30.15 mi (48.52 km) |
| Gainsborough to Coulsdon | 146.22 mi (235.32 km) |
| Gainsborough to Coventry | 75.21 mi (121.03 km) |
| Gainsborough to Cowdenbeath | 213.45 mi (343.51 km) |
| Gainsborough to Cowes | 183.92 mi (295.98 km) |
| Gainsborough to Cowley | 130.04 mi (209.27 km) |
| Gainsborough to Cowley | 116.77 mi (187.93 km) |
| Gainsborough to Cramlington | 120.64 mi (194.15 km) |
| Gainsborough to Cranleigh | 157.01 mi (252.69 km) |
| Gainsborough to Crawley | 160.32 mi (258.00 km) |
| Gainsborough to Crayford | 140.77 mi (226.54 km) |
| Gainsborough to Crewe | 72.01 mi (115.88 km) |
| Gainsborough to Crigglestone | 35.04 mi (56.40 km) |
