| Owings Mills to Alenquer | 3,535.93 mi (5,690.52 km) |
| Owings Mills to Alfena | 3,501.67 mi (5,635.40 km) |
| Owings Mills to Alijo | 3,551.22 mi (5,715.13 km) |
| Owings Mills to Aljustrel | 3,609.71 mi (5,809.27 km) |
| Owings Mills to Almada | 3,539.11 mi (5,695.65 km) |
| Owings Mills to Almargem | 3,528.92 mi (5,679.25 km) |
| Owings Mills to Almeirim | 3,551.49 mi (5,715.57 km) |
| Owings Mills to Amadora | 3,533.94 mi (5,687.33 km) |
| Owings Mills to Amarante | 3,523.02 mi (5,669.75 km) |
| Owings Mills to Amares | 3,501.18 mi (5,634.61 km) |
| Owings Mills to Amora | 3,542.55 mi (5,701.18 km) |
| Owings Mills to Anadia | 3,527.17 mi (5,676.44 km) |
| Owings Mills to Angra do Heroismo | 2,626.88 mi (4,227.56 km) |
| Owings Mills to Ansiao | 3,540.98 mi (5,698.66 km) |
| Owings Mills to Anta | 3,502.83 mi (5,637.26 km) |
