| Greenock to March | 305.68 mi (491.94 km) |
| Greenock to Margate | 403.21 mi (648.91 km) |
| Greenock to Market Drayton | 229.49 mi (369.33 km) |
| Greenock to Market Harborough | 285.72 mi (459.82 km) |
| Greenock to Marlow | 343.49 mi (552.80 km) |
| Greenock to Marple | 206.81 mi (332.83 km) |
| Greenock to Marton | 170.83 mi (274.93 km) |
| Greenock to Maryport | 99.03 mi (159.38 km) |
| Greenock to Matlock | 232.96 mi (374.92 km) |
| Greenock to Melksham | 334.10 mi (537.68 km) |
| Greenock to Meltham | 200.07 mi (321.97 km) |
| Greenock to Melton Mowbray | 269.70 mi (434.03 km) |
| Greenock to Merthyr Tudful | 296.11 mi (476.54 km) |
| Greenock to Methil | 69.14 mi (111.26 km) |
| Greenock to Mexborough | 218.98 mi (352.42 km) |
