| Witham to Miranda de Ebro | 651.44 mi (1,048.38 km) |
| Witham to Mislata | 852.92 mi (1,372.64 km) |
| Witham to Moana | 790.75 mi (1,272.59 km) |
| Witham to Moguer | 1,067.49 mi (1,717.96 km) |
| Witham to Molina de Segura | 953.77 mi (1,534.95 km) |
| Witham to Molins de Rey | 720.40 mi (1,159.37 km) |
| Witham to Mollerusa | 702.52 mi (1,130.59 km) |
| Witham to Mollet | 712.92 mi (1,147.33 km) |
| Witham to Moncada | 716.17 mi (1,152.56 km) |
| Witham to Moncada | 847.99 mi (1,364.71 km) |
| Witham to Monforte de Lemos | 745.93 mi (1,200.46 km) |
| Witham to Monforte del Cid | 929.49 mi (1,495.87 km) |
| Witham to Mongat | 718.00 mi (1,155.50 km) |
| Witham to Monovar | 925.90 mi (1,490.09 km) |
| Witham to Monserrat | 861.60 mi (1,386.61 km) |
