| Round Lake Beach to Arcos de Valdevez | 3,920.43 mi (6,309.32 km) |
| Round Lake Beach to Arcozelo | 3,937.71 mi (6,337.13 km) |
| Round Lake Beach to Arganil | 3,993.44 mi (6,426.83 km) |
| Round Lake Beach to Arouca | 3,959.73 mi (6,372.57 km) |
| Round Lake Beach to Arruda dos Vinhos | 3,990.89 mi (6,422.72 km) |
| Round Lake Beach to Aveiro | 3,951.88 mi (6,359.93 km) |
| Round Lake Beach to Aver-o-Mar | 3,919.88 mi (6,308.44 km) |
| Round Lake Beach to Aves | 3,939.72 mi (6,340.36 km) |
| Round Lake Beach to Azambuja | 3,997.13 mi (6,432.75 km) |
| Round Lake Beach to Baiao | 3,961.16 mi (6,374.87 km) |
| Round Lake Beach to Barcelos | 3,922.86 mi (6,313.24 km) |
| Round Lake Beach to Barreiro | 4,002.18 mi (6,440.89 km) |
| Round Lake Beach to Batalha | 3,979.51 mi (6,404.40 km) |
| Round Lake Beach to Beja | 4,079.72 mi (6,565.68 km) |
| Round Lake Beach to Belas | 3,988.84 mi (6,419.42 km) |
