| Seal Beach to Arcos de Valdevez | 5,572.69 mi (8,968.38 km) |
| Seal Beach to Arcozelo | 5,596.89 mi (9,007.32 km) |
| Seal Beach to Arganil | 5,656.55 mi (9,103.34 km) |
| Seal Beach to Arouca | 5,618.32 mi (9,041.82 km) |
| Seal Beach to Arruda dos Vinhos | 5,666.02 mi (9,118.57 km) |
| Seal Beach to Aveiro | 5,614.20 mi (9,035.18 km) |
| Seal Beach to Aver-o-Mar | 5,576.92 mi (8,975.19 km) |
| Seal Beach to Aves | 5,594.69 mi (9,003.78 km) |
| Seal Beach to Azambuja | 5,671.03 mi (9,126.63 km) |
| Seal Beach to Baiao | 5,617.19 mi (9,039.99 km) |
| Seal Beach to Barcelos | 5,578.46 mi (8,977.66 km) |
| Seal Beach to Barreiro | 5,679.33 mi (9,139.99 km) |
| Seal Beach to Batalha | 5,649.29 mi (9,091.66 km) |
| Seal Beach to Beja | 5,756.81 mi (9,264.69 km) |
| Seal Beach to Belas | 5,665.99 mi (9,118.53 km) |
