| South River to Masanasa | 3,797.53 mi (6,111.53 km) |
| South River to Masquefa | 3,837.03 mi (6,175.10 km) |
| South River to Matadepera | 3,843.73 mi (6,185.89 km) |
| South River to Mazarron | 3,810.44 mi (6,132.30 km) |
| South River to Meco | 3,623.57 mi (5,831.57 km) |
| South River to Medina del Campo | 3,526.70 mi (5,675.68 km) |
| South River to Medina Sidonia | 3,619.92 mi (5,825.70 km) |
| South River to Mejorada del Campo | 3,625.28 mi (5,834.32 km) |
| South River to Meliana | 3,796.21 mi (6,109.41 km) |
| South River to Mengibar | 3,677.39 mi (5,918.18 km) |
| South River to Merida | 3,526.36 mi (5,675.14 km) |
| South River to Miajadas | 3,532.12 mi (5,684.41 km) |
| South River to Mieres | 3,434.20 mi (5,526.82 km) |
| South River to Miguelturra | 3,640.29 mi (5,858.48 km) |
| South River to Mijas | 3,679.34 mi (5,921.32 km) |
