| Middlesbrough to Los Llanos de Aridane | 1,976.00 mi (3,180.07 km) |
| Middlesbrough to Los Palacios y Villafranca | 1,223.49 mi (1,969.01 km) |
| Middlesbrough to Luanco | 784.82 mi (1,263.05 km) |
| Middlesbrough to Lucena | 1,196.67 mi (1,925.85 km) |
| Middlesbrough to Lugo | 848.01 mi (1,364.74 km) |
| Middlesbrough to Lumbreras | 1,175.82 mi (1,892.30 km) |
| Middlesbrough to Madrid | 984.95 mi (1,585.12 km) |
| Middlesbrough to Madridejos | 1,049.45 mi (1,688.93 km) |
| Middlesbrough to Mahon | 1,046.28 mi (1,683.83 km) |
| Middlesbrough to Mairena del Alcor | 1,207.93 mi (1,943.98 km) |
| Middlesbrough to Mairena del Aljarafe | 1,213.08 mi (1,952.26 km) |
| Middlesbrough to Majadahonda | 982.04 mi (1,580.44 km) |
| Middlesbrough to Malaga | 1,243.05 mi (2,000.49 km) |
| Middlesbrough to Malgrat de Mar | 911.73 mi (1,467.29 km) |
| Middlesbrough to Manacor | 1,057.21 mi (1,701.41 km) |
