| Duluth to Somersworth (New Hampshire) | 1,062.70 mi (1,710.26 km) |
| Duluth to Somerton (Arizona) | 1,538.77 mi (2,476.40 km) |
| Duluth to Somerville (Massachusetts) | 1,074.98 mi (1,730.02 km) |
| Duluth to Somerville (New Jersey) | 972.47 mi (1,565.03 km) |
| Duluth to Sonoma (California) | 1,638.85 mi (2,637.47 km) |
| Duluth to Soquel (California) | 1,662.54 mi (2,675.60 km) |
| Duluth to South Bend (Indiana) | 456.43 mi (734.55 km) |
| Duluth to South Bradenton (Florida) | 1,432.03 mi (2,304.63 km) |
| Duluth to South Burlington (Vermont) | 925.79 mi (1,489.92 km) |
| Duluth to South Charleston (West Virginia) | 786.62 mi (1,265.94 km) |
| Duluth to South Daytona (Florida) | 1,356.29 mi (2,182.73 km) |
| Duluth to South El Monte (California) | 1,610.35 mi (2,591.61 km) |
| Duluth to South Elgin (Illinois) | 380.67 mi (612.62 km) |
| Duluth to South Euclid (Ohio) | 638.33 mi (1,027.29 km) |
| Duluth to South Farmingdale (New York) | 1,019.27 mi (1,640.36 km) |
