| Southwater to McKeesport (Pennsylvania) | 3,716.81 mi (5,981.62 km) |
| Southwater to McKinleyville (California) | 5,235.76 mi (8,426.14 km) |
| Southwater to McKinney (Texas) | 4,727.31 mi (7,607.88 km) |
| Southwater to McLean (Virginia) | 3,670.89 mi (5,907.73 km) |
| Southwater to McMinnville (Oregon) | 4,964.67 mi (7,989.86 km) |
| Southwater to McMinnville (Tennessee) | 4,171.98 mi (6,714.15 km) |
| Southwater to McNair (Virginia) | 3,679.48 mi (5,921.55 km) |
| Southwater to McPherson (Kansas) | 4,503.13 mi (7,247.09 km) |
| Southwater to Mead Valley (California) | 5,436.66 mi (8,749.46 km) |
| Southwater to Meadow Woods (Florida) | 4,343.82 mi (6,990.70 km) |
| Southwater to Meadowbrook (Virginia) | 3,750.35 mi (6,035.61 km) |
| Southwater to Meadville (Pennsylvania) | 3,671.41 mi (5,908.57 km) |
| Southwater to Mebane (North Carolina) | 3,886.53 mi (6,254.77 km) |
| Southwater to Mechanicsville (Virginia) | 3,736.60 mi (6,013.47 km) |
| Southwater to Medford (Massachusetts) | 3,271.80 mi (5,265.45 km) |
