| Duluth to South Plainfield (New Jersey) | 980.92 mi (1,578.64 km) |
| Duluth to South Portland (Maine) | 1,081.94 mi (1,741.21 km) |
| Duluth to South Riding (Virginia) | 916.38 mi (1,474.77 km) |
| Duluth to South River (New Jersey) | 987.30 mi (1,588.90 km) |
| Duluth to South Salt Lake (Utah) | 1,068.05 mi (1,718.86 km) |
| Duluth to South San Francisco (California) | 1,659.86 mi (2,671.29 km) |
| Duluth to South San Jose Hills (California) | 1,605.79 mi (2,584.27 km) |
| Duluth to South Sioux City (Nebraska) | 364.52 mi (586.63 km) |
| Duluth to South St. Paul (Minnesota) | 137.47 mi (221.24 km) |
| Duluth to South Valley (New Mexico) | 1,109.02 mi (1,784.80 km) |
| Duluth to South Venice (Florida) | 1,462.59 mi (2,353.81 km) |
| Duluth to South Whittier (California) | 1,614.85 mi (2,598.84 km) |
| Duluth to South Yarmouth (Massachusetts) | 1,137.75 mi (1,831.03 km) |
| Duluth to Southaven (Mississippi) | 824.65 mi (1,327.14 km) |
| Duluth to Southchase (Florida) | 1,397.62 mi (2,249.26 km) |
