| Sioux City to Montijo | 4,473.74 mi (7,199.78 km) |
| Sioux City to Montilla | 4,614.72 mi (7,426.68 km) |
| Sioux City to Montmelo | 4,738.35 mi (7,625.63 km) |
| Sioux City to Montornes del Valles | 4,739.48 mi (7,627.45 km) |
| Sioux City to Montoro | 4,607.79 mi (7,415.52 km) |
| Sioux City to Monzon | 4,639.46 mi (7,466.49 km) |
| Sioux City to Mora | 4,565.53 mi (7,347.51 km) |
| Sioux City to Moralzarzal | 4,516.99 mi (7,269.39 km) |
| Sioux City to Moron de la Frontera | 4,597.64 mi (7,399.18 km) |
| Sioux City to Mostoles | 4,535.22 mi (7,298.73 km) |
| Sioux City to Motril | 4,698.48 mi (7,561.47 km) |
| Sioux City to Muchamiel | 4,760.93 mi (7,661.98 km) |
| Sioux City to Mula | 4,732.06 mi (7,615.52 km) |
| Sioux City to Munguia | 4,455.97 mi (7,171.20 km) |
| Sioux City to Murcia | 4,749.90 mi (7,644.23 km) |
