| San Juan to Mount Washington (Kentucky) | 1,794.94 mi (2,888.67 km) |
| San Juan to Mountain Brook (Alabama) | 1,648.55 mi (2,653.08 km) |
| San Juan to Mountain Home (Arkansas) | 2,023.88 mi (3,257.13 km) |
| San Juan to Mountain Home (Idaho) | 3,342.34 mi (5,378.97 km) |
| San Juan to Mountain House (California) | 3,579.38 mi (5,760.46 km) |
| San Juan to Mountain Park (Georgia) | 1,542.92 mi (2,483.09 km) |
| San Juan to Mountain Top (Pennsylvania) | 1,675.44 mi (2,696.37 km) |
| San Juan to Mountain View (California) | 3,606.09 mi (5,803.44 km) |
| San Juan to Mountlake Terrace (Washington) | 3,730.07 mi (6,002.97 km) |
| San Juan to Mukilteo (Washington) | 3,731.68 mi (6,005.55 km) |
| San Juan to Muncie (Indiana) | 1,894.92 mi (3,049.59 km) |
| San Juan to Mundelein (Illinois) | 2,092.20 mi (3,367.08 km) |
| San Juan to Munhall (Pennsylvania) | 1,728.00 mi (2,780.94 km) |
| San Juan to Munster (Indiana) | 2,038.42 mi (3,280.52 km) |
| San Juan to Murfreesboro (Tennessee) | 1,730.53 mi (2,785.01 km) |
