| Rio Maior to Arcore | 1,023.63 mi (1,647.37 km) |
| Rio Maior to Ardea | 1,137.08 mi (1,829.96 km) |
| Rio Maior to Arenzano | 969.21 mi (1,559.79 km) |
| Rio Maior to Arese | 1,010.33 mi (1,625.97 km) |
| Rio Maior to Arezzo | 1,112.47 mi (1,790.35 km) |
| Rio Maior to Argelato | 1,099.81 mi (1,769.97 km) |
| Rio Maior to Argenta | 1,123.71 mi (1,808.43 km) |
| Rio Maior to Ariano Irpino | 1,269.09 mi (2,042.40 km) |
| Rio Maior to Ariccia | 1,143.22 mi (1,839.84 km) |
| Rio Maior to Arluno | 1,003.11 mi (1,614.34 km) |
| Rio Maior to Arona | 992.06 mi (1,596.57 km) |
| Rio Maior to Artena | 1,156.13 mi (1,860.62 km) |
| Rio Maior to Arzachena | 972.21 mi (1,564.62 km) |
| Rio Maior to Arzano | 1,226.95 mi (1,974.58 km) |
| Rio Maior to Arzignano | 1,114.54 mi (1,793.68 km) |
