| Duncan to Stanmore | 4,689.19 mi (7,546.52 km) |
| Duncan to Stannington | 4,586.96 mi (7,382.00 km) |
| Duncan to Stansted Mountfitchet | 4,699.29 mi (7,562.78 km) |
| Duncan to Stanwell | 4,688.47 mi (7,545.36 km) |
| Duncan to Stapleford | 4,611.23 mi (7,421.06 km) |
| Duncan to Staveley | 4,597.82 mi (7,399.47 km) |
| Duncan to Stepney | 4,702.68 mi (7,568.23 km) |
| Duncan to Stevenage | 4,684.16 mi (7,538.43 km) |
| Duncan to Stevenston | 4,404.06 mi (7,087.66 km) |
| Duncan to Stirling | 4,420.12 mi (7,113.49 km) |
| Duncan to Stockport | 4,563.97 mi (7,345.00 km) |
| Duncan to Stocksbridge | 4,582.51 mi (7,374.83 km) |
| Duncan to Stockton-on-Tees | 4,558.57 mi (7,336.31 km) |
| Duncan to Stoke Gifford | 4,607.27 mi (7,414.69 km) |
| Duncan to Stoke-on-Trent | 4,575.23 mi (7,363.12 km) |
