| Half Moon Bay to Arcore | 5,959.75 mi (9,591.29 km) |
| Half Moon Bay to Ardea | 6,279.64 mi (10,106.11 km) |
| Half Moon Bay to Arenzano | 6,009.42 mi (9,671.22 km) |
| Half Moon Bay to Arese | 5,957.19 mi (9,587.17 km) |
| Half Moon Bay to Arezzo | 6,155.03 mi (9,905.57 km) |
| Half Moon Bay to Argelato | 6,076.89 mi (9,779.81 km) |
| Half Moon Bay to Argenta | 6,088.27 mi (9,798.12 km) |
| Half Moon Bay to Ariano Irpino | 6,378.68 mi (10,265.49 km) |
| Half Moon Bay to Ariccia | 6,277.30 mi (10,102.34 km) |
| Half Moon Bay to Arluno | 5,956.11 mi (9,585.44 km) |
| Half Moon Bay to Arona | 5,931.10 mi (9,545.18 km) |
| Half Moon Bay to Artena | 6,283.56 mi (10,112.41 km) |
| Half Moon Bay to Arzachena | 6,215.05 mi (10,002.15 km) |
| Half Moon Bay to Arzano | 6,369.24 mi (10,250.31 km) |
| Half Moon Bay to Arzignano | 6,023.21 mi (9,693.42 km) |
