| American Canyon to Arcos de Valdevez | 5,519.19 mi (8,882.27 km) |
| American Canyon to Arcozelo | 5,548.18 mi (8,928.94 km) |
| American Canyon to Arganil | 5,610.20 mi (9,028.75 km) |
| American Canyon to Arouca | 5,568.94 mi (8,962.35 km) |
| American Canyon to Arruda dos Vinhos | 5,629.43 mi (9,059.69 km) |
| American Canyon to Aveiro | 5,567.71 mi (8,960.36 km) |
| American Canyon to Aver-o-Mar | 5,526.85 mi (8,894.60 km) |
| American Canyon to Aves | 5,542.89 mi (8,920.42 km) |
| American Canyon to Azambuja | 5,633.32 mi (9,065.96 km) |
| American Canyon to Baiao | 5,565.92 mi (8,957.48 km) |
| American Canyon to Barcelos | 5,527.30 mi (8,895.33 km) |
| American Canyon to Barreiro | 5,644.37 mi (9,083.73 km) |
| American Canyon to Batalha | 5,608.36 mi (9,025.79 km) |
| American Canyon to Beja | 5,721.01 mi (9,207.08 km) |
| American Canyon to Belas | 5,631.17 mi (9,062.49 km) |
