| Duncan to Sangeorgiu de Mures | 5,789.30 mi (9,316.98 km) |
| Duncan to Sangeorz-Bai | 5,755.83 mi (9,263.11 km) |
| Duncan to Sannicolau Mare | 5,681.21 mi (9,143.02 km) |
| Duncan to Santana | 5,698.48 mi (9,170.81 km) |
| Duncan to Satu Mare | 5,676.35 mi (9,135.21 km) |
| Duncan to Scobinti | 5,827.81 mi (9,378.95 km) |
| Duncan to Scornicesti | 5,890.02 mi (9,479.07 km) |
| Duncan to Sebes | 5,788.16 mi (9,315.15 km) |
| Duncan to Seini | 5,691.48 mi (9,159.55 km) |
| Duncan to Sfantu-Gheorghe | 5,867.27 mi (9,442.46 km) |
| Duncan to Sibiu | 5,816.08 mi (9,360.07 km) |
| Duncan to Sighetu Marmatiei | 5,702.61 mi (9,177.46 km) |
| Duncan to Sighisoara | 5,816.57 mi (9,360.87 km) |
| Duncan to Simeria | 5,774.44 mi (9,293.06 km) |
| Duncan to Sinaia | 5,885.14 mi (9,471.22 km) |
