| Duncan to Ayamonte | 4,858.37 mi (7,818.79 km) |
| Duncan to Azcoitia | 4,890.18 mi (7,869.99 km) |
| Duncan to Azpeitia | 4,892.07 mi (7,873.03 km) |
| Duncan to Azuqueca de Henares | 4,937.47 mi (7,946.08 km) |
| Duncan to Badajoz | 4,822.66 mi (7,761.33 km) |
| Duncan to Badalona | 5,151.21 mi (8,290.07 km) |
| Duncan to Baena | 4,991.20 mi (8,032.56 km) |
| Duncan to Baeza | 5,018.35 mi (8,076.25 km) |
| Duncan to Bailen | 5,000.78 mi (8,047.97 km) |
| Duncan to Balaguer | 5,075.68 mi (8,168.52 km) |
| Duncan to Banolas | 5,148.62 mi (8,285.90 km) |
| Duncan to Baranain | 4,931.46 mi (7,936.42 km) |
| Duncan to Barbadanes | 4,669.15 mi (7,514.26 km) |
| Duncan to Barbastro | 5,037.05 mi (8,106.34 km) |
| Duncan to Barcelona | 5,150.64 mi (8,289.16 km) |
