| Sioux City to Massarosa | 4,949.06 mi (7,964.75 km) |
| Sioux City to Matelica | 5,076.11 mi (8,169.21 km) |
| Sioux City to Matera | 5,333.05 mi (8,582.71 km) |
| Sioux City to Matino | 5,420.45 mi (8,723.37 km) |
| Sioux City to Mazzarino | 5,408.74 mi (8,704.53 km) |
| Sioux City to Meda | 4,823.92 mi (7,763.35 km) |
| Sioux City to Medesano | 4,901.04 mi (7,887.47 km) |
| Sioux City to Medicina | 4,968.18 mi (7,995.51 km) |
| Sioux City to Meldola | 4,999.71 mi (8,046.26 km) |
| Sioux City to Melegnano | 4,843.60 mi (7,795.02 km) |
| Sioux City to Melendugno | 5,415.91 mi (8,716.07 km) |
| Sioux City to Melfi | 5,281.85 mi (8,500.32 km) |
| Sioux City to Melilli | 5,449.88 mi (8,770.74 km) |
| Sioux City to Melito di Napoli | 5,233.62 mi (8,422.69 km) |
| Sioux City to Melito di Porto Salvo | 5,439.06 mi (8,753.32 km) |
