| Porterville to Alenquer | 5,598.34 mi (9,009.65 km) |
| Porterville to Alfena | 5,521.64 mi (8,886.22 km) |
| Porterville to Alijo | 5,561.72 mi (8,950.72 km) |
| Porterville to Aljustrel | 5,683.91 mi (9,147.36 km) |
| Porterville to Almada | 5,608.80 mi (9,026.50 km) |
| Porterville to Almargem | 5,596.74 mi (9,007.08 km) |
| Porterville to Almeirim | 5,608.16 mi (9,025.46 km) |
| Porterville to Amadora | 5,603.35 mi (9,017.73 km) |
| Porterville to Amarante | 5,538.66 mi (8,913.61 km) |
| Porterville to Amares | 5,512.55 mi (8,871.60 km) |
| Porterville to Amora | 5,612.81 mi (9,032.95 km) |
| Porterville to Anadia | 5,560.94 mi (8,949.47 km) |
| Porterville to Angra do Heroismo | 4,812.62 mi (7,745.17 km) |
| Porterville to Ansiao | 5,583.85 mi (8,986.34 km) |
| Porterville to Anta | 5,527.84 mi (8,896.20 km) |
