| Thornton Heath to Arcore | 586.39 mi (943.70 km) |
| Thornton Heath to Ardea | 902.61 mi (1,452.60 km) |
| Thornton Heath to Arenzano | 631.07 mi (1,015.62 km) |
| Thornton Heath to Arese | 582.29 mi (937.11 km) |
| Thornton Heath to Arezzo | 782.12 mi (1,258.70 km) |
| Thornton Heath to Argelato | 707.79 mi (1,139.07 km) |
| Thornton Heath to Argenta | 722.64 mi (1,162.97 km) |
| Thornton Heath to Ariano Irpino | 1,010.15 mi (1,625.68 km) |
| Thornton Heath to Ariccia | 900.79 mi (1,449.67 km) |
| Thornton Heath to Arluno | 580.48 mi (934.20 km) |
| Thornton Heath to Arona | 555.22 mi (893.54 km) |
| Thornton Heath to Artena | 907.81 mi (1,460.98 km) |
| Thornton Heath to Arzachena | 843.35 mi (1,357.24 km) |
| Thornton Heath to Arzano | 995.52 mi (1,602.14 km) |
| Thornton Heath to Arzignano | 662.14 mi (1,065.61 km) |
