| Bettendorf to Mauldin (South Carolina) | 644.97 mi (1,037.98 km) |
| Bettendorf to Maumee (Ohio) | 352.09 mi (566.64 km) |
| Bettendorf to Maumelle (Arkansas) | 475.43 mi (765.13 km) |
| Bettendorf to Mayagüez (Puerto Rico) | 2,121.20 mi (3,413.73 km) |
| Bettendorf to Mayfield Heights (Ohio) | 466.43 mi (750.64 km) |
| Bettendorf to Mays Chapel (Maryland) | 740.26 mi (1,191.34 km) |
| Bettendorf to Maywood (California) | 1,593.10 mi (2,563.85 km) |
| Bettendorf to Maywood (Illinois) | 137.46 mi (221.23 km) |
| Bettendorf to McAlester (Oklahoma) | 541.12 mi (870.84 km) |
| Bettendorf to McAllen (Texas) | 1,148.53 mi (1,848.39 km) |
| Bettendorf to McCalla (Alabama) | 601.29 mi (967.69 km) |
| Bettendorf to McComb (Mississippi) | 713.15 mi (1,147.70 km) |
| Bettendorf to McDonough (Georgia) | 659.44 mi (1,061.27 km) |
| Bettendorf to McFarland (California) | 1,596.99 mi (2,570.11 km) |
| Bettendorf to McHenry (Illinois) | 124.25 mi (199.96 km) |
