| Gainsborough to Cromer | 91.90 mi (147.89 km) |
| Gainsborough to Crosby | 93.23 mi (150.04 km) |
| Gainsborough to Crowborough | 166.53 mi (268.01 km) |
| Gainsborough to Croxley Green | 122.01 mi (196.36 km) |
| Gainsborough to Croydon | 142.94 mi (230.05 km) |
| Gainsborough to Cudworth | 29.07 mi (46.78 km) |
| Gainsborough to Culcheth | 72.07 mi (115.99 km) |
| Gainsborough to Cullercoats | 115.83 mi (186.40 km) |
| Gainsborough to Cumbernauld | 217.76 mi (350.45 km) |
| Gainsborough to Cumnock | 199.38 mi (320.88 km) |
| Gainsborough to Cupar | 220.36 mi (354.64 km) |
| Gainsborough to Cwmbran | 153.36 mi (246.81 km) |
| Gainsborough to Dagenham | 134.29 mi (216.11 km) |
| Gainsborough to Dalkeith | 195.02 mi (313.86 km) |
| Gainsborough to Darfield | 26.72 mi (43.01 km) |
