| Siedlce to Amelia | 807.18 mi (1,299.03 km) |
| Siedlce to Anagni | 837.17 mi (1,347.30 km) |
| Siedlce to Ancona | 715.36 mi (1,151.26 km) |
| Siedlce to Andria | 806.97 mi (1,298.70 km) |
| Siedlce to Angri | 869.69 mi (1,399.63 km) |
| Siedlce to Anguillara Sabazia | 838.80 mi (1,349.91 km) |
| Siedlce to Anzio | 868.00 mi (1,396.91 km) |
| Siedlce to Anzola dell'Emilia | 730.30 mi (1,175.31 km) |
| Siedlce to Aosta | 808.74 mi (1,301.54 km) |
| Siedlce to Apricena | 786.64 mi (1,265.97 km) |
| Siedlce to Aprilia | 859.19 mi (1,382.73 km) |
| Siedlce to Aradeo | 854.22 mi (1,374.73 km) |
| Siedlce to Aragona | 1,102.91 mi (1,774.96 km) |
| Siedlce to Arco | 671.27 mi (1,080.31 km) |
| Siedlce to Arcola | 794.57 mi (1,278.74 km) |
