| Sioux City to Miranda de Ebro | 4,479.36 mi (7,208.83 km) |
| Sioux City to Mislata | 4,717.02 mi (7,591.32 km) |
| Sioux City to Moana | 4,250.13 mi (6,839.92 km) |
| Sioux City to Moguer | 4,529.83 mi (7,290.06 km) |
| Sioux City to Molina de Segura | 4,743.43 mi (7,633.81 km) |
| Sioux City to Molins de Rey | 4,734.90 mi (7,620.08 km) |
| Sioux City to Mollerusa | 4,680.03 mi (7,531.78 km) |
| Sioux City to Mollet | 4,737.58 mi (7,624.39 km) |
| Sioux City to Moncada | 4,738.75 mi (7,626.29 km) |
| Sioux City to Moncada | 4,714.87 mi (7,587.85 km) |
| Sioux City to Monforte de Lemos | 4,293.92 mi (6,910.40 km) |
| Sioux City to Monforte del Cid | 4,750.27 mi (7,644.82 km) |
| Sioux City to Mongat | 4,743.31 mi (7,633.61 km) |
| Sioux City to Monovar | 4,743.22 mi (7,633.47 km) |
| Sioux City to Monserrat | 4,714.10 mi (7,586.61 km) |
