| Houghton le Spring to Arcore | 793.02 mi (1,276.25 km) |
| Houghton le Spring to Ardea | 1,114.08 mi (1,792.94 km) |
| Houghton le Spring to Arenzano | 850.35 mi (1,368.50 km) |
| Houghton le Spring to Arese | 791.41 mi (1,273.64 km) |
| Houghton le Spring to Arezzo | 987.32 mi (1,588.94 km) |
| Houghton le Spring to Argelato | 908.65 mi (1,462.33 km) |
| Houghton le Spring to Argenta | 919.96 mi (1,480.53 km) |
| Houghton le Spring to Ariano Irpino | 1,210.41 mi (1,947.96 km) |
| Houghton le Spring to Ariccia | 1,111.16 mi (1,788.24 km) |
| Houghton le Spring to Arluno | 790.94 mi (1,272.89 km) |
| Houghton le Spring to Arona | 766.38 mi (1,233.37 km) |
| Houghton le Spring to Artena | 1,116.76 mi (1,797.25 km) |
| Houghton le Spring to Arzachena | 1,072.15 mi (1,725.46 km) |
| Houghton le Spring to Arzano | 1,201.32 mi (1,933.34 km) |
| Houghton le Spring to Arzignano | 855.18 mi (1,376.27 km) |
