| Sioux City to Masanasa | 4,720.56 mi (7,597.00 km) |
| Sioux City to Masquefa | 4,722.84 mi (7,600.68 km) |
| Sioux City to Matadepera | 4,727.11 mi (7,607.55 km) |
| Sioux City to Mazarron | 4,758.52 mi (7,658.09 km) |
| Sioux City to Meco | 4,549.19 mi (7,321.22 km) |
| Sioux City to Medina del Campo | 4,451.68 mi (7,164.29 km) |
| Sioux City to Medina Sidonia | 4,603.93 mi (7,409.31 km) |
| Sioux City to Mejorada del Campo | 4,553.08 mi (7,327.47 km) |
| Sioux City to Meliana | 4,717.60 mi (7,592.25 km) |
| Sioux City to Mengibar | 4,634.84 mi (7,459.06 km) |
| Sioux City to Merida | 4,486.58 mi (7,220.46 km) |
| Sioux City to Miajadas | 4,488.20 mi (7,223.05 km) |
| Sioux City to Mieres | 4,338.94 mi (6,982.85 km) |
| Sioux City to Miguelturra | 4,587.50 mi (7,382.87 km) |
| Sioux City to Mijas | 4,655.47 mi (7,492.26 km) |
