| Welver to Mauldin (South Carolina) | 4,393.43 mi (7,070.55 km) |
| Welver to Maumee (Ohio) | 4,113.64 mi (6,620.26 km) |
| Welver to Maumelle (Arkansas) | 4,776.05 mi (7,686.31 km) |
| Welver to Mayagüez (Puerto Rico) | 4,604.30 mi (7,409.90 km) |
| Welver to Mayfield Heights (Ohio) | 4,033.30 mi (6,490.96 km) |
| Welver to Mays Chapel (Maryland) | 3,946.24 mi (6,350.85 km) |
| Welver to Maywood (California) | 5,684.19 mi (9,147.81 km) |
| Welver to Maywood (Illinois) | 4,251.97 mi (6,842.88 km) |
| Welver to McAlester (Oklahoma) | 4,895.72 mi (7,878.89 km) |
| Welver to McAllen (Texas) | 5,457.81 mi (8,783.49 km) |
| Welver to McCalla (Alabama) | 4,652.73 mi (7,487.84 km) |
| Welver to McComb (Mississippi) | 4,892.25 mi (7,873.31 km) |
| Welver to McDonough (Georgia) | 4,533.43 mi (7,295.85 km) |
| Welver to McFarland (California) | 5,613.38 mi (9,033.86 km) |
| Welver to McHenry (Illinois) | 4,245.58 mi (6,832.60 km) |
