| Rickmansworth to Arcore | 608.69 mi (979.59 km) |
| Rickmansworth to Ardea | 925.07 mi (1,488.76 km) |
| Rickmansworth to Arenzano | 653.58 mi (1,051.84 km) |
| Rickmansworth to Arese | 604.65 mi (973.09 km) |
| Rickmansworth to Arezzo | 804.45 mi (1,294.64 km) |
| Rickmansworth to Argelato | 729.98 mi (1,174.78 km) |
| Rickmansworth to Argenta | 744.72 mi (1,198.51 km) |
| Rickmansworth to Ariano Irpino | 1,032.42 mi (1,661.51 km) |
| Rickmansworth to Ariccia | 923.24 mi (1,485.80 km) |
| Rickmansworth to Arluno | 602.87 mi (970.23 km) |
| Rickmansworth to Arona | 577.61 mi (929.58 km) |
| Rickmansworth to Artena | 930.24 mi (1,497.08 km) |
| Rickmansworth to Arzachena | 865.70 mi (1,393.21 km) |
| Rickmansworth to Arzano | 1,017.91 mi (1,638.17 km) |
| Rickmansworth to Arzignano | 684.03 mi (1,100.84 km) |
