| Riga to Arcore | 1,005.34 mi (1,617.94 km) |
| Riga to Ardea | 1,176.77 mi (1,893.83 km) |
| Riga to Arenzano | 1,093.53 mi (1,759.86 km) |
| Riga to Arese | 1,016.84 mi (1,636.45 km) |
| Riga to Arezzo | 1,073.65 mi (1,727.88 km) |
| Riga to Argelato | 1,017.01 mi (1,636.72 km) |
| Riga to Argenta | 1,003.43 mi (1,614.87 km) |
| Riga to Ariano Irpino | 1,162.94 mi (1,871.56 km) |
| Riga to Ariccia | 1,168.11 mi (1,879.90 km) |
| Riga to Arluno | 1,023.31 mi (1,646.86 km) |
| Riga to Arona | 1,018.90 mi (1,639.76 km) |
| Riga to Artena | 1,162.29 mi (1,870.53 km) |
| Riga to Arzachena | 1,277.18 mi (2,055.42 km) |
| Riga to Arzano | 1,191.54 mi (1,917.59 km) |
| Riga to Arzignano | 960.62 mi (1,545.97 km) |
