| Serinyol to Arcos de Valdevez | 2,394.69 mi (3,853.89 km) |
| Serinyol to Arcozelo | 2,412.36 mi (3,882.32 km) |
| Serinyol to Arganil | 2,389.68 mi (3,845.81 km) |
| Serinyol to Arouca | 2,393.00 mi (3,851.16 km) |
| Serinyol to Arruda dos Vinhos | 2,456.60 mi (3,953.51 km) |
| Serinyol to Aveiro | 2,416.73 mi (3,889.35 km) |
| Serinyol to Aver-o-Mar | 2,416.09 mi (3,888.33 km) |
| Serinyol to Aves | 2,391.67 mi (3,849.02 km) |
| Serinyol to Azambuja | 2,445.01 mi (3,934.86 km) |
| Serinyol to Baiao | 2,380.10 mi (3,830.40 km) |
| Serinyol to Barcelos | 2,407.35 mi (3,874.26 km) |
| Serinyol to Barreiro | 2,460.60 mi (3,959.96 km) |
| Serinyol to Batalha | 2,434.69 mi (3,918.26 km) |
| Serinyol to Beja | 2,405.98 mi (3,872.06 km) |
| Serinyol to Belas | 2,470.06 mi (3,975.17 km) |
