| Ridge to Arcore | 3,960.82 mi (6,374.33 km) |
| Ridge to Ardea | 4,236.86 mi (6,818.56 km) |
| Ridge to Arenzano | 3,972.28 mi (6,392.77 km) |
| Ridge to Arese | 3,952.69 mi (6,361.24 km) |
| Ridge to Arezzo | 4,143.08 mi (6,667.65 km) |
| Ridge to Argelato | 4,082.61 mi (6,570.32 km) |
| Ridge to Argenta | 4,102.17 mi (6,601.80 km) |
| Ridge to Ariano Irpino | 4,365.81 mi (7,026.10 km) |
| Ridge to Ariccia | 4,238.49 mi (6,821.19 km) |
| Ridge to Arluno | 3,948.52 mi (6,354.52 km) |
| Ridge to Arona | 3,924.40 mi (6,315.71 km) |
| Ridge to Artena | 4,248.96 mi (6,838.04 km) |
| Ridge to Arzachena | 4,113.53 mi (6,620.08 km) |
| Ridge to Arzano | 4,338.15 mi (6,981.58 km) |
| Ridge to Arzignano | 4,050.90 mi (6,519.29 km) |
