| Thornaby on Tees to Miranda de Ebro | 823.81 mi (1,325.80 km) |
| Thornaby on Tees to Mislata | 1,042.98 mi (1,678.52 km) |
| Thornaby on Tees to Moana | 913.08 mi (1,469.45 km) |
| Thornaby on Tees to Moguer | 1,222.55 mi (1,967.50 km) |
| Thornaby on Tees to Molina de Segura | 1,140.30 mi (1,835.14 km) |
| Thornaby on Tees to Molins de Rey | 920.81 mi (1,481.90 km) |
| Thornaby on Tees to Mollerusa | 898.78 mi (1,446.45 km) |
| Thornaby on Tees to Mollet | 914.02 mi (1,470.97 km) |
| Thornaby on Tees to Moncada | 917.17 mi (1,476.04 km) |
| Thornaby on Tees to Moncada | 1,038.15 mi (1,670.74 km) |
| Thornaby on Tees to Monforte de Lemos | 878.40 mi (1,413.65 km) |
| Thornaby on Tees to Monforte del Cid | 1,118.20 mi (1,799.57 km) |
| Thornaby on Tees to Mongat | 919.27 mi (1,479.42 km) |
| Thornaby on Tees to Monovar | 1,114.11 mi (1,792.98 km) |
| Thornaby on Tees to Monserrat | 1,050.79 mi (1,691.09 km) |
