| Duncan to Billingham | 4,559.14 mi (7,337.22 km) |
| Duncan to Bilston | 4,592.75 mi (7,391.32 km) |
| Duncan to Binfield | 4,677.10 mi (7,527.07 km) |
| Duncan to Bingham | 4,622.40 mi (7,439.03 km) |
| Duncan to Bingley | 4,562.09 mi (7,341.97 km) |
| Duncan to Birchington | 4,758.24 mi (7,657.65 km) |
| Duncan to Birkenhead | 4,532.41 mi (7,294.21 km) |
| Duncan to Birmingham | 4,601.82 mi (7,405.91 km) |
| Duncan to Birstall | 4,572.02 mi (7,357.96 km) |
| Duncan to Birstall | 4,625.01 mi (7,443.23 km) |
| Duncan to Bishop Auckland | 4,542.96 mi (7,311.18 km) |
| Duncan to Bishopbriggs | 4,415.85 mi (7,106.63 km) |
| Duncan to Bishops Cleeve | 4,612.47 mi (7,423.05 km) |
| Duncan to Bishops Stortford | 4,699.19 mi (7,562.62 km) |
| Duncan to Bishopstoke | 4,671.57 mi (7,518.16 km) |
