| Harrow to Aviano | 699.34 mi (1,125.47 km) |
| Harrow to Avigliana | 572.59 mi (921.49 km) |
| Harrow to Avigliano | 1,069.43 mi (1,721.08 km) |
| Harrow to Avola | 1,264.82 mi (2,035.52 km) |
| Harrow to Azzano Decimo | 712.18 mi (1,146.15 km) |
| Harrow to Bacoli | 1,012.00 mi (1,628.66 km) |
| Harrow to Badia Polesine | 703.25 mi (1,131.78 km) |
| Harrow to Bagheria | 1,149.25 mi (1,849.54 km) |
| Harrow to Bagnacavallo | 753.30 mi (1,212.32 km) |
| Harrow to Bagnara Calabra | 1,206.74 mi (1,942.06 km) |
| Harrow to Bagno a Ripoli | 764.71 mi (1,230.69 km) |
| Harrow to Bagnolo in Piano | 691.53 mi (1,112.91 km) |
| Harrow to Bagnolo Mella | 641.45 mi (1,032.31 km) |
| Harrow to Barano d'Ischia | 1,011.26 mi (1,627.46 km) |
| Harrow to Baranzate | 601.08 mi (967.35 km) |
