| Duncan to Belvedere Marittimo | 5,799.58 mi (9,333.52 km) |
| Duncan to Benevento | 5,688.29 mi (9,154.43 km) |
| Duncan to Bergamo | 5,292.05 mi (8,516.73 km) |
| Duncan to Bernalda | 5,796.03 mi (9,327.80 km) |
| Duncan to Bertinoro | 5,452.54 mi (8,775.01 km) |
| Duncan to Besana in Brianza | 5,276.76 mi (8,492.12 km) |
| Duncan to Besozzo | 5,246.59 mi (8,443.56 km) |
| Duncan to Biancavilla | 5,846.80 mi (9,409.51 km) |
| Duncan to Biassono | 5,278.81 mi (8,495.43 km) |
| Duncan to Bibbiano | 5,365.51 mi (8,634.95 km) |
| Duncan to Bibbiena | 5,459.20 mi (8,785.73 km) |
| Duncan to Biella | 5,234.31 mi (8,423.81 km) |
| Duncan to Bisceglie | 5,751.51 mi (9,256.17 km) |
| Duncan to Bisignano | 5,820.89 mi (9,367.81 km) |
| Duncan to Bitetto | 5,770.64 mi (9,286.94 km) |
