| Duncan to Roznava | 5,556.34 mi (8,942.06 km) |
| Duncan to Ruzomberok | 5,495.70 mi (8,844.47 km) |
| Duncan to Sabinov | 5,553.74 mi (8,937.89 km) |
| Duncan to Sal'a | 5,489.15 mi (8,833.94 km) |
| Duncan to Samorin | 5,474.99 mi (8,811.14 km) |
| Duncan to Senec | 5,469.41 mi (8,802.16 km) |
| Duncan to Senica | 5,447.48 mi (8,766.87 km) |
| Duncan to Sered' | 5,477.81 mi (8,815.68 km) |
| Duncan to Skalica | 5,435.37 mi (8,747.39 km) |
| Duncan to Smizany | 5,542.35 mi (8,919.55 km) |
| Duncan to Snina | 5,594.57 mi (9,003.60 km) |
| Duncan to Spisska Nova Ves | 5,544.17 mi (8,922.49 km) |
| Duncan to Stara L'ubovna | 5,530.73 mi (8,900.86 km) |
| Duncan to Stara Tura | 5,454.52 mi (8,778.21 km) |
| Duncan to Stropkov | 5,567.69 mi (8,960.33 km) |
