| Ridge to Amelia | 4,198.17 mi (6,756.30 km) |
| Ridge to Anagni | 4,259.32 mi (6,854.72 km) |
| Ridge to Ancona | 4,208.87 mi (6,773.51 km) |
| Ridge to Andria | 4,416.58 mi (7,107.81 km) |
| Ridge to Angri | 4,358.17 mi (7,013.80 km) |
| Ridge to Anguillara Sabazia | 4,207.88 mi (6,771.92 km) |
| Ridge to Anzio | 4,246.34 mi (6,833.83 km) |
| Ridge to Anzola dell'Emilia | 4,076.95 mi (6,561.22 km) |
| Ridge to Aosta | 3,871.44 mi (6,230.48 km) |
| Ridge to Apricena | 4,358.35 mi (7,014.09 km) |
| Ridge to Aprilia | 4,242.47 mi (6,827.60 km) |
| Ridge to Aradeo | 4,537.98 mi (7,303.17 km) |
| Ridge to Aragona | 4,439.45 mi (7,144.60 km) |
| Ridge to Arco | 4,018.74 mi (6,467.54 km) |
| Ridge to Arcola | 4,034.89 mi (6,493.53 km) |
