| Clayton to Amelia | 1,012.19 mi (1,628.97 km) |
| Clayton to Anagni | 1,079.71 mi (1,737.62 km) |
| Clayton to Ancona | 986.96 mi (1,588.36 km) |
| Clayton to Andria | 1,205.10 mi (1,939.43 km) |
| Clayton to Angri | 1,178.63 mi (1,896.81 km) |
| Clayton to Anguillara Sabazia | 1,034.46 mi (1,664.80 km) |
| Clayton to Anzio | 1,081.40 mi (1,740.35 km) |
| Clayton to Anzola dell'Emilia | 864.85 mi (1,391.84 km) |
| Clayton to Aosta | 688.27 mi (1,107.67 km) |
| Clayton to Apricena | 1,147.59 mi (1,846.86 km) |
| Clayton to Aprilia | 1,074.15 mi (1,728.68 km) |
| Clayton to Aradeo | 1,323.16 mi (2,129.42 km) |
| Clayton to Aragona | 1,349.11 mi (2,171.19 km) |
| Clayton to Arco | 782.25 mi (1,258.90 km) |
| Clayton to Arcola | 851.22 mi (1,369.91 km) |
