| Thornaby on Tees to Lydney | 202.01 mi (325.11 km) |
| Thornaby on Tees to Lye | 148.86 mi (239.57 km) |
| Thornaby on Tees to Lymington | 263.35 mi (423.81 km) |
| Thornaby on Tees to Lymm | 94.14 mi (151.50 km) |
| Thornaby on Tees to Mablethorpe | 105.44 mi (169.69 km) |
| Thornaby on Tees to Macclesfield | 96.48 mi (155.27 km) |
| Thornaby on Tees to Mackworth | 113.08 mi (181.99 km) |
| Thornaby on Tees to Madeley | 140.82 mi (226.63 km) |
| Thornaby on Tees to Maesteg | 225.79 mi (363.37 km) |
| Thornaby on Tees to Maghull | 98.05 mi (157.80 km) |
| Thornaby on Tees to Maidenhead | 211.22 mi (339.93 km) |
| Thornaby on Tees to Maidstone | 239.53 mi (385.49 km) |
| Thornaby on Tees to Maldon | 211.79 mi (340.85 km) |
| Thornaby on Tees to Maltby | 78.34 mi (126.07 km) |
| Thornaby on Tees to Manchester | 83.81 mi (134.87 km) |
