| Senec to Alenquer | 1,455.22 mi (2,341.94 km) |
| Senec to Alfena | 1,352.94 mi (2,177.35 km) |
| Senec to Alijo | 1,304.30 mi (2,099.06 km) |
| Senec to Aljustrel | 1,463.82 mi (2,355.80 km) |
| Senec to Almada | 1,476.04 mi (2,375.46 km) |
| Senec to Almargem | 1,474.42 mi (2,372.86 km) |
| Senec to Almeirim | 1,431.67 mi (2,304.05 km) |
| Senec to Amadora | 1,477.25 mi (2,377.41 km) |
| Senec to Amarante | 1,331.27 mi (2,142.47 km) |
| Senec to Amares | 1,331.49 mi (2,142.83 km) |
| Senec to Amora | 1,476.45 mi (2,376.12 km) |
| Senec to Anadia | 1,377.13 mi (2,216.27 km) |
| Senec to Angra do Heroismo | 2,298.18 mi (3,698.56 km) |
| Senec to Ansiao | 1,396.15 mi (2,246.89 km) |
| Senec to Anta | 1,365.39 mi (2,197.38 km) |
