| Clayton to Ascoli Piceno | 1,030.57 mi (1,658.53 km) |
| Clayton to Asola | 804.92 mi (1,295.39 km) |
| Clayton to Asolo | 821.60 mi (1,322.24 km) |
| Clayton to Assemini | 1,123.01 mi (1,807.32 km) |
| Clayton to Assisi | 988.68 mi (1,591.13 km) |
| Clayton to Asti | 760.09 mi (1,223.25 km) |
| Clayton to Atessa | 1,100.39 mi (1,770.91 km) |
| Clayton to Atri | 1,057.55 mi (1,701.96 km) |
| Clayton to Atripalda | 1,176.00 mi (1,892.58 km) |
| Clayton to Augusta | 1,400.90 mi (2,254.53 km) |
| Clayton to Aulla | 847.39 mi (1,363.74 km) |
| Clayton to Aurisina | 886.57 mi (1,426.79 km) |
| Clayton to Avellino | 1,174.89 mi (1,890.80 km) |
| Clayton to Aversa | 1,154.47 mi (1,857.94 km) |
| Clayton to Avezzano | 1,071.11 mi (1,723.78 km) |
