| Duncan to Sucha Beskidzka | 5,474.54 mi (8,810.42 km) |
| Duncan to Suchanino | 5,232.86 mi (8,421.48 km) |
| Duncan to Sulechow | 5,237.91 mi (8,429.60 km) |
| Duncan to Sulecin | 5,205.63 mi (8,377.66 km) |
| Duncan to Sulejowek | 5,412.34 mi (8,710.32 km) |
| Duncan to Suwalki | 5,374.38 mi (8,649.23 km) |
| Duncan to Swarzedz | 5,271.30 mi (8,483.34 km) |
| Duncan to Swidnica | 5,320.71 mi (8,562.85 km) |
| Duncan to Swidnik | 5,505.25 mi (8,859.85 km) |
| Duncan to Swidwin | 5,169.32 mi (8,319.21 km) |
| Duncan to Swiebodzice | 5,314.93 mi (8,553.56 km) |
| Duncan to Swiecie | 5,269.72 mi (8,480.80 km) |
| Duncan to Swiedbodzin | 5,227.94 mi (8,413.56 km) |
| Duncan to Swietochlowice | 5,426.95 mi (8,733.84 km) |
| Duncan to Swinoujscie | 5,114.95 mi (8,231.72 km) |
