| Duncan to Beocin | 5,690.63 mi (9,158.18 km) |
| Duncan to Blace | 5,836.89 mi (9,393.57 km) |
| Duncan to Bogatic | 5,698.76 mi (9,171.27 km) |
| Duncan to Bojnik | 5,865.87 mi (9,440.21 km) |
| Duncan to Boljevac | 5,835.33 mi (9,391.06 km) |
| Duncan to Bor | 5,826.03 mi (9,376.09 km) |
| Duncan to Borca | 5,731.79 mi (9,224.43 km) |
| Duncan to Bosilegrad | 5,918.06 mi (9,524.20 km) |
| Duncan to Brus | 5,823.33 mi (9,371.74 km) |
| Duncan to Bujanovac | 5,893.96 mi (9,485.41 km) |
| Duncan to Cacak | 5,774.37 mi (9,292.96 km) |
| Duncan to Cajetina | 5,757.92 mi (9,266.47 km) |
| Duncan to Cicevac | 5,822.50 mi (9,370.41 km) |
| Duncan to Coka | 5,671.09 mi (9,126.74 km) |
| Duncan to Crna Trava | 5,896.77 mi (9,489.94 km) |
