| Duncan to Sprimont | 4,952.26 mi (7,969.89 km) |
| Duncan to Stabroek | 4,873.75 mi (7,843.54 km) |
| Duncan to Staden | 4,836.27 mi (7,783.23 km) |
| Duncan to Steenokkerzeel | 4,893.94 mi (7,876.04 km) |
| Duncan to Stekene | 4,866.22 mi (7,831.42 km) |
| Duncan to Strombeek-Bever | 4,888.39 mi (7,867.10 km) |
| Duncan to Temse | 4,875.38 mi (7,846.16 km) |
| Duncan to Ternat | 4,883.75 mi (7,859.64 km) |
| Duncan to Tervuren | 4,897.34 mi (7,881.50 km) |
| Duncan to Tessenderlo | 4,909.95 mi (7,901.80 km) |
| Duncan to Theux | 4,956.40 mi (7,976.55 km) |
| Duncan to Thuin | 4,906.76 mi (7,896.67 km) |
| Duncan to Tielt | 4,847.06 mi (7,800.59 km) |
| Duncan to Tienen | 4,914.03 mi (7,908.36 km) |
| Duncan to Tongeren | 4,934.39 mi (7,941.13 km) |
