| Castel Gandolfo to Alfena | 1,093.80 mi (1,760.30 km) |
| Castel Gandolfo to Alijo | 1,039.47 mi (1,672.87 km) |
| Castel Gandolfo to Aljustrel | 1,132.81 mi (1,823.07 km) |
| Castel Gandolfo to Almada | 1,166.81 mi (1,877.80 km) |
| Castel Gandolfo to Almargem | 1,169.23 mi (1,881.69 km) |
| Castel Gandolfo to Almeirim | 1,128.66 mi (1,816.40 km) |
| Castel Gandolfo to Amadora | 1,169.58 mi (1,882.26 km) |
| Castel Gandolfo to Amarante | 1,069.95 mi (1,721.92 km) |
| Castel Gandolfo to Amares | 1,080.23 mi (1,738.46 km) |
| Castel Gandolfo to Amora | 1,165.90 mi (1,876.33 km) |
| Castel Gandolfo to Anadia | 1,098.97 mi (1,768.62 km) |
| Castel Gandolfo to Angra do Heroismo | 2,095.83 mi (3,372.92 km) |
| Castel Gandolfo to Ansiao | 1,106.71 mi (1,781.09 km) |
| Castel Gandolfo to Anta | 1,101.49 mi (1,772.68 km) |
| Castel Gandolfo to Arcos de Valdevez | 1,082.62 mi (1,742.31 km) |
