| Norristown to Arcos de Valdevez | 3,400.47 mi (5,472.52 km) |
| Norristown to Arcozelo | 3,410.33 mi (5,488.40 km) |
| Norristown to Arganil | 3,460.98 mi (5,569.90 km) |
| Norristown to Arouca | 3,432.56 mi (5,524.17 km) |
| Norristown to Arruda dos Vinhos | 3,445.41 mi (5,544.86 km) |
| Norristown to Aveiro | 3,420.94 mi (5,505.48 km) |
| Norristown to Aver-o-Mar | 3,395.04 mi (5,463.80 km) |
| Norristown to Aves | 3,416.64 mi (5,498.55 km) |
| Norristown to Azambuja | 3,452.93 mi (5,556.95 km) |
| Norristown to Baiao | 3,436.60 mi (5,530.68 km) |
| Norristown to Barcelos | 3,399.45 mi (5,470.89 km) |
| Norristown to Barreiro | 3,454.25 mi (5,559.08 km) |
| Norristown to Batalha | 3,440.12 mi (5,536.34 km) |
| Norristown to Beja | 3,530.72 mi (5,682.15 km) |
| Norristown to Belas | 3,441.11 mi (5,537.93 km) |
