| Oak Park to Alenquer | 3,992.13 mi (6,424.71 km) |
| Oak Park to Alfena | 3,939.46 mi (6,339.94 km) |
| Oak Park to Alijo | 3,985.63 mi (6,414.26 km) |
| Oak Park to Aljustrel | 4,071.70 mi (6,552.77 km) |
| Oak Park to Almada | 3,998.48 mi (6,434.94 km) |
| Oak Park to Almargem | 3,987.38 mi (6,417.07 km) |
| Oak Park to Almeirim | 4,005.39 mi (6,446.05 km) |
| Oak Park to Amadora | 3,993.14 mi (6,426.34 km) |
| Oak Park to Amarante | 3,959.24 mi (6,371.78 km) |
| Oak Park to Amares | 3,935.36 mi (6,333.34 km) |
| Oak Park to Amora | 4,002.20 mi (6,440.92 km) |
| Oak Park to Anadia | 3,971.07 mi (6,390.82 km) |
| Oak Park to Angra do Heroismo | 3,133.98 mi (5,043.65 km) |
| Oak Park to Ansiao | 3,988.89 mi (6,419.49 km) |
| Oak Park to Anta | 3,942.75 mi (6,345.25 km) |
