| Duluth to Sangeorgiu de Mures | 4,936.99 mi (7,945.32 km) |
| Duluth to Sangeorz-Bai | 4,900.26 mi (7,886.20 km) |
| Duluth to Sannicolau Mare | 4,841.03 mi (7,790.89 km) |
| Duluth to Santana | 4,854.73 mi (7,812.93 km) |
| Duluth to Satu Mare | 4,823.75 mi (7,763.07 km) |
| Duluth to Scobinti | 4,966.84 mi (7,993.36 km) |
| Duluth to Scornicesti | 5,044.38 mi (8,118.14 km) |
| Duluth to Sebes | 4,940.26 mi (7,950.57 km) |
| Duluth to Seini | 4,838.05 mi (7,786.09 km) |
| Duluth to Sfantu-Gheorghe | 5,013.85 mi (8,069.01 km) |
| Duluth to Sibiu | 4,967.20 mi (7,993.94 km) |
| Duluth to Sighetu Marmatiei | 4,847.10 mi (7,800.65 km) |
| Duluth to Sighisoara | 4,964.55 mi (7,989.68 km) |
| Duluth to Simeria | 4,928.45 mi (7,931.57 km) |
| Duluth to Sinaia | 5,034.04 mi (8,101.51 km) |
