| Bayou Blue to Arcos de Valdevez | 4,514.97 mi (7,266.13 km) |
| Bayou Blue to Arcozelo | 4,521.70 mi (7,276.97 km) |
| Bayou Blue to Arganil | 4,569.70 mi (7,354.22 km) |
| Bayou Blue to Arouca | 4,543.89 mi (7,312.69 km) |
| Bayou Blue to Arruda dos Vinhos | 4,547.37 mi (7,318.28 km) |
| Bayou Blue to Aveiro | 4,530.64 mi (7,291.36 km) |
| Bayou Blue to Aver-o-Mar | 4,507.59 mi (7,254.27 km) |
| Bayou Blue to Aves | 4,529.80 mi (7,290.02 km) |
| Bayou Blue to Azambuja | 4,555.56 mi (7,331.46 km) |
| Bayou Blue to Baiao | 4,549.04 mi (7,320.97 km) |
| Bayou Blue to Barcelos | 4,512.58 mi (7,262.29 km) |
| Bayou Blue to Barreiro | 4,554.69 mi (7,330.07 km) |
| Bayou Blue to Batalha | 4,545.49 mi (7,315.26 km) |
| Bayou Blue to Beja | 4,629.94 mi (7,451.17 km) |
| Bayou Blue to Belas | 4,541.77 mi (7,309.28 km) |
