| Duncan to Boekel | 4,911.60 mi (7,904.46 km) |
| Duncan to Bolsward | 4,853.24 mi (7,810.54 km) |
| Duncan to Borger | 4,902.84 mi (7,890.36 km) |
| Duncan to Borne | 4,924.59 mi (7,925.36 km) |
| Duncan to Boskoop | 4,857.72 mi (7,817.75 km) |
| Duncan to Boxmeer | 4,920.03 mi (7,918.03 km) |
| Duncan to Boxtel | 4,900.09 mi (7,885.93 km) |
| Duncan to Breda | 4,879.54 mi (7,852.86 km) |
| Duncan to Breukelen | 4,866.66 mi (7,832.14 km) |
| Duncan to Brielle | 4,846.10 mi (7,799.05 km) |
| Duncan to Bronkhorst | 4,912.41 mi (7,905.76 km) |
| Duncan to Brummen | 4,911.22 mi (7,903.84 km) |
| Duncan to Brunssum | 4,946.60 mi (7,960.79 km) |
| Duncan to Bunnik | 4,879.44 mi (7,852.70 km) |
| Duncan to Burgum | 4,864.83 mi (7,829.19 km) |
