| Duncan to Ames | 4,617.51 mi (7,431.16 km) |
| Duncan to Amorebieta | 4,870.27 mi (7,837.94 km) |
| Duncan to Amposta | 5,105.24 mi (8,216.08 km) |
| Duncan to Amurrio | 4,864.19 mi (7,828.16 km) |
| Duncan to Andoain | 4,901.73 mi (7,888.58 km) |
| Duncan to Andraitx | 5,229.39 mi (8,415.89 km) |
| Duncan to Andujar | 4,989.00 mi (8,029.01 km) |
| Duncan to Antequera | 5,000.56 mi (8,047.63 km) |
| Duncan to Antigua | 4,816.89 mi (7,752.03 km) |
| Duncan to Aranda de Duero | 4,880.37 mi (7,854.19 km) |
| Duncan to Aranjuez | 4,940.55 mi (7,951.05 km) |
| Duncan to Archena | 5,114.57 mi (8,231.11 km) |
| Duncan to Arcos de la Frontera | 4,950.57 mi (7,967.17 km) |
| Duncan to Arenys de Mar | 5,159.43 mi (8,303.30 km) |
| Duncan to Arenys de Munt | 5,157.84 mi (8,300.74 km) |
