| Duluth to Alenquer | 4,040.78 mi (6,503.00 km) |
| Duluth to Alfena | 3,971.37 mi (6,391.31 km) |
| Duluth to Alijo | 4,013.74 mi (6,459.50 km) |
| Duluth to Aljustrel | 4,124.93 mi (6,638.43 km) |
| Duluth to Almada | 4,050.14 mi (6,518.07 km) |
| Duluth to Almargem | 4,038.30 mi (6,499.02 km) |
| Duluth to Almeirim | 4,051.61 mi (6,520.44 km) |
| Duluth to Amadora | 4,044.70 mi (6,509.32 km) |
| Duluth to Amarante | 3,989.41 mi (6,420.34 km) |
| Duluth to Amares | 3,963.99 mi (6,379.42 km) |
| Duluth to Amora | 4,054.08 mi (6,524.41 km) |
| Duluth to Anadia | 4,008.24 mi (6,450.64 km) |
| Duluth to Angra do Heroismo | 3,248.32 mi (5,227.66 km) |
| Duluth to Ansiao | 4,029.60 mi (6,485.01 km) |
| Duluth to Anta | 3,976.61 mi (6,399.73 km) |
