| Castleford to Mickleover | 56.89 mi (91.55 km) |
| Castleford to Middlesbrough | 59.67 mi (96.03 km) |
| Castleford to Middleton | 35.81 mi (57.64 km) |
| Castleford to Middlewich | 57.54 mi (92.60 km) |
| Castleford to Midsomer Norton | 174.56 mi (280.93 km) |
| Castleford to Mildenhall | 122.40 mi (196.98 km) |
| Castleford to Milford Haven | 207.17 mi (333.41 km) |
| Castleford to Mill Hill | 152.31 mi (245.11 km) |
| Castleford to Milngavie | 193.65 mi (311.64 km) |
| Castleford to Milnrow | 31.77 mi (51.13 km) |
| Castleford to Milton | 56.27 mi (90.56 km) |
| Castleford to Milton Keynes | 118.44 mi (190.60 km) |
| Castleford to Minehead | 195.11 mi (314.01 km) |
| Castleford to Minster | 182.77 mi (294.13 km) |
| Castleford to Mirfield | 13.83 mi (22.26 km) |
