| Gretna to Lydney | 4,525.67 mi (7,283.37 km) |
| Gretna to Lye | 4,526.85 mi (7,285.26 km) |
| Gretna to Lymington | 4,587.21 mi (7,382.39 km) |
| Gretna to Lymm | 4,493.36 mi (7,231.36 km) |
| Gretna to Mablethorpe | 4,601.44 mi (7,405.31 km) |
| Gretna to Macclesfield | 4,509.70 mi (7,257.66 km) |
| Gretna to Mackworth | 4,539.92 mi (7,306.29 km) |
| Gretna to Madeley | 4,509.82 mi (7,257.86 km) |
| Gretna to Maesteg | 4,482.31 mi (7,213.58 km) |
| Gretna to Maghull | 4,472.16 mi (7,197.25 km) |
| Gretna to Maidenhead | 4,603.85 mi (7,409.19 km) |
| Gretna to Maidstone | 4,660.27 mi (7,499.97 km) |
| Gretna to Maldon | 4,655.25 mi (7,491.90 km) |
| Gretna to Maltby | 4,542.12 mi (7,309.84 km) |
| Gretna to Manchester | 4,500.42 mi (7,242.73 km) |
