| Northolt to Ascoli Piceno | 886.18 mi (1,426.16 km) |
| Northolt to Asola | 659.32 mi (1,061.07 km) |
| Northolt to Asolo | 685.53 mi (1,103.25 km) |
| Northolt to Assemini | 959.69 mi (1,544.48 km) |
| Northolt to Assisi | 841.91 mi (1,354.93 km) |
| Northolt to Asti | 604.80 mi (973.33 km) |
| Northolt to Atessa | 955.95 mi (1,538.45 km) |
| Northolt to Atri | 913.48 mi (1,470.10 km) |
| Northolt to Atripalda | 1,028.99 mi (1,656.00 km) |
| Northolt to Augusta | 1,246.63 mi (2,006.26 km) |
| Northolt to Aulla | 695.79 mi (1,119.76 km) |
| Northolt to Aurisina | 757.63 mi (1,219.29 km) |
| Northolt to Avellino | 1,027.77 mi (1,654.04 km) |
| Northolt to Aversa | 1,005.78 mi (1,618.65 km) |
| Northolt to Avezzano | 923.40 mi (1,486.06 km) |
