| Catonsville to Ascoli Piceno | 4,471.03 mi (7,195.43 km) |
| Catonsville to Asola | 4,253.33 mi (6,845.07 km) |
| Catonsville to Asolo | 4,297.70 mi (6,916.48 km) |
| Catonsville to Assemini | 4,391.77 mi (7,067.86 km) |
| Catonsville to Assisi | 4,421.10 mi (7,115.08 km) |
| Catonsville to Asti | 4,168.28 mi (6,708.20 km) |
| Catonsville to Atessa | 4,536.97 mi (7,301.54 km) |
| Catonsville to Atri | 4,497.95 mi (7,238.76 km) |
| Catonsville to Atripalda | 4,595.70 mi (7,396.07 km) |
| Catonsville to Augusta | 4,751.92 mi (7,647.48 km) |
| Catonsville to Aulla | 4,266.94 mi (6,866.98 km) |
| Catonsville to Aurisina | 4,376.90 mi (7,043.93 km) |
| Catonsville to Avellino | 4,594.09 mi (7,393.47 km) |
| Catonsville to Aversa | 4,566.26 mi (7,348.68 km) |
| Catonsville to Avezzano | 4,493.75 mi (7,231.99 km) |
