| Killingworth to Alenquer | 1,157.18 mi (1,862.30 km) |
| Killingworth to Alfena | 1,004.56 mi (1,616.69 km) |
| Killingworth to Alijo | 987.94 mi (1,589.93 km) |
| Killingworth to Aljustrel | 1,222.33 mi (1,967.15 km) |
| Killingworth to Almada | 1,183.83 mi (1,905.18 km) |
| Killingworth to Almargem | 1,174.26 mi (1,889.79 km) |
| Killingworth to Almeirim | 1,141.73 mi (1,837.44 km) |
| Killingworth to Amadora | 1,181.34 mi (1,901.18 km) |
| Killingworth to Amarante | 996.25 mi (1,603.31 km) |
| Killingworth to Amares | 976.67 mi (1,571.81 km) |
| Killingworth to Amora | 1,186.87 mi (1,910.09 km) |
| Killingworth to Anadia | 1,056.84 mi (1,700.82 km) |
| Killingworth to Angra do Heroismo | 1,641.13 mi (2,641.14 km) |
| Killingworth to Ansiao | 1,091.34 mi (1,756.34 km) |
| Killingworth to Anta | 1,021.32 mi (1,643.66 km) |
