| Harrow Weald to Amelia | 864.54 mi (1,391.34 km) |
| Harrow Weald to Anagni | 931.84 mi (1,499.65 km) |
| Harrow Weald to Ancona | 846.69 mi (1,362.61 km) |
| Harrow Weald to Andria | 1,064.73 mi (1,713.52 km) |
| Harrow Weald to Angri | 1,031.91 mi (1,660.70 km) |
| Harrow Weald to Anguillara Sabazia | 885.02 mi (1,424.30 km) |
| Harrow Weald to Anzio | 931.29 mi (1,498.77 km) |
| Harrow Weald to Anzola dell'Emilia | 720.45 mi (1,159.46 km) |
| Harrow Weald to Aosta | 534.73 mi (860.57 km) |
| Harrow Weald to Apricena | 1,006.47 mi (1,619.75 km) |
| Harrow Weald to Aprilia | 924.45 mi (1,487.75 km) |
| Harrow Weald to Aradeo | 1,184.62 mi (1,906.46 km) |
| Harrow Weald to Aragona | 1,193.87 mi (1,921.35 km) |
| Harrow Weald to Arco | 643.55 mi (1,035.69 km) |
| Harrow Weald to Arcola | 700.78 mi (1,127.80 km) |
