| Sulphur to Maryland Heights (Missouri) | 609.05 mi (980.18 km) |
| Sulphur to Marysville (California) | 1,709.35 mi (2,750.93 km) |
| Sulphur to Marysville (Ohio) | 890.72 mi (1,433.48 km) |
| Sulphur to Marysville (Washington) | 1,955.55 mi (3,147.16 km) |
| Sulphur to Maryville (Missouri) | 703.98 mi (1,132.95 km) |
| Sulphur to Maryville (Tennessee) | 663.34 mi (1,067.55 km) |
| Sulphur to Mason (Ohio) | 812.52 mi (1,307.63 km) |
| Sulphur to Mason City (Iowa) | 892.73 mi (1,436.72 km) |
| Sulphur to Massapequa (New York) | 1,326.67 mi (2,135.07 km) |
| Sulphur to Massapequa Park (New York) | 1,328.09 mi (2,137.36 km) |
| Sulphur to Massillon (Ohio) | 985.39 mi (1,585.83 km) |
| Sulphur to Mastic (New York) | 1,360.24 mi (2,189.09 km) |
| Sulphur to Mastic Beach (New York) | 1,359.45 mi (2,187.82 km) |
| Sulphur to Matteson (Illinois) | 839.84 mi (1,351.59 km) |
| Sulphur to Matthews (North Carolina) | 808.58 mi (1,301.29 km) |
