| Sioux City to Manerbio | 4,872.80 mi (7,842.02 km) |
| Sioux City to Manfredonia | 5,260.45 mi (8,465.88 km) |
| Sioux City to Maniago | 4,928.27 mi (7,931.28 km) |
| Sioux City to Mantova | 4,906.37 mi (7,896.03 km) |
| Sioux City to Maranello | 4,937.90 mi (7,946.78 km) |
| Sioux City to Marano di Napoli | 5,232.57 mi (8,421.00 km) |
| Sioux City to Marano Vicentino | 4,904.42 mi (7,892.90 km) |
| Sioux City to Marcianise | 5,230.44 mi (8,417.57 km) |
| Sioux City to Marcon | 4,942.14 mi (7,953.60 km) |
| Sioux City to Mareno di Piave | 4,930.62 mi (7,935.06 km) |
| Sioux City to Margherita di Savoia | 5,282.05 mi (8,500.63 km) |
| Sioux City to Mariano Comense | 4,823.02 mi (7,761.90 km) |
| Sioux City to Marigliano | 5,240.86 mi (8,434.35 km) |
| Sioux City to Marino | 5,134.39 mi (8,263.01 km) |
| Sioux City to Marostica | 4,910.25 mi (7,902.28 km) |
