| Duncan to Prokuplje | 5,850.54 mi (9,415.54 km) |
| Duncan to Raca | 5,781.07 mi (9,303.73 km) |
| Duncan to Raska | 5,812.50 mi (9,354.32 km) |
| Duncan to Razanj | 5,828.49 mi (9,380.06 km) |
| Duncan to Rekovac | 5,803.92 mi (9,340.51 km) |
| Duncan to Ruma | 5,703.58 mi (9,179.02 km) |
| Duncan to Sabac | 5,709.99 mi (9,189.34 km) |
| Duncan to Secanj | 5,719.78 mi (9,205.10 km) |
| Duncan to Senta | 5,669.06 mi (9,123.47 km) |
| Duncan to Sid | 5,676.54 mi (9,135.50 km) |
| Duncan to Sjenica | 5,791.03 mi (9,319.76 km) |
| Duncan to Smederevo | 5,758.69 mi (9,267.71 km) |
| Duncan to Smederevska Palanka | 5,773.90 mi (9,292.20 km) |
| Duncan to Sokobanja | 5,840.68 mi (9,399.67 km) |
| Duncan to Sombor | 5,641.41 mi (9,078.97 km) |
