| Rockwall to Mankato (Minnesota) | 788.80 mi (1,269.44 km) |
| Rockwall to Manor (Texas) | 188.09 mi (302.70 km) |
| Rockwall to Manorville (New York) | 1,411.51 mi (2,271.60 km) |
| Rockwall to Mansfield (Ohio) | 939.22 mi (1,511.54 km) |
| Rockwall to Mansfield (Texas) | 46.45 mi (74.75 km) |
| Rockwall to Manteca (California) | 1,432.32 mi (2,305.10 km) |
| Rockwall to Manville (New Jersey) | 1,314.98 mi (2,116.26 km) |
| Rockwall to Maple Grove (Minnesota) | 857.22 mi (1,379.57 km) |
| Rockwall to Maple Heights (Ohio) | 1,005.19 mi (1,617.69 km) |
| Rockwall to Maple Valley (Washington) | 1,667.84 mi (2,684.12 km) |
| Rockwall to Mapleton (Utah) | 974.76 mi (1,568.73 km) |
| Rockwall to Maplewood (Minnesota) | 853.48 mi (1,373.54 km) |
| Rockwall to Marana (Arizona) | 855.95 mi (1,377.52 km) |
| Rockwall to Marco Island (Florida) | 1,008.24 mi (1,622.61 km) |
| Rockwall to Margate (Florida) | 1,076.68 mi (1,732.75 km) |
