| San Martin de Valdeiglesias to Monticello (Minnesota) | 4,299.51 mi (6,919.39 km) |
| San Martin de Valdeiglesias to Montrose (Colorado) | 5,160.54 mi (8,305.08 km) |
| San Martin de Valdeiglesias to Moody (Alabama) | 4,389.77 mi (7,064.66 km) |
| San Martin de Valdeiglesias to Moore (Oklahoma) | 4,840.10 mi (7,789.39 km) |
| San Martin de Valdeiglesias to Moorestown-Lenola (New Jersey) | 3,619.58 mi (5,825.15 km) |
| San Martin de Valdeiglesias to Mooresville (North Carolina) | 4,042.86 mi (6,506.35 km) |
| San Martin de Valdeiglesias to Moorhead (Minnesota) | 4,364.76 mi (7,024.40 km) |
| San Martin de Valdeiglesias to Moorpark (California) | 5,805.92 mi (9,343.72 km) |
| San Martin de Valdeiglesias to Moraga (California) | 5,752.40 mi (9,257.59 km) |
| San Martin de Valdeiglesias to Moreno Valley (California) | 5,756.52 mi (9,264.22 km) |
| San Martin de Valdeiglesias to Morgan City (Louisiana) | 4,769.14 mi (7,675.18 km) |
| San Martin de Valdeiglesias to Morgan Hill (California) | 5,770.48 mi (9,286.70 km) |
| San Martin de Valdeiglesias to Morganton (North Carolina) | 4,080.04 mi (6,566.20 km) |
| San Martin de Valdeiglesias to Morgantown (West Virginia) | 3,867.19 mi (6,223.64 km) |
| San Martin de Valdeiglesias to Morris (Illinois) | 4,202.26 mi (6,762.88 km) |
