| Galveston to Arcos de Valdevez | 4,735.22 mi (7,620.60 km) |
| Galveston to Arcozelo | 4,743.89 mi (7,634.55 km) |
| Galveston to Arganil | 4,793.38 mi (7,714.19 km) |
| Galveston to Arouca | 4,766.11 mi (7,670.31 km) |
| Galveston to Arruda dos Vinhos | 4,774.28 mi (7,683.45 km) |
| Galveston to Aveiro | 4,753.77 mi (7,650.46 km) |
| Galveston to Aver-o-Mar | 4,729.08 mi (7,610.71 km) |
| Galveston to Aves | 4,750.92 mi (7,645.86 km) |
| Galveston to Azambuja | 4,782.17 mi (7,696.16 km) |
| Galveston to Baiao | 4,770.61 mi (7,677.55 km) |
| Galveston to Barcelos | 4,733.71 mi (7,618.17 km) |
| Galveston to Barreiro | 4,782.25 mi (7,696.29 km) |
| Galveston to Batalha | 4,770.84 mi (7,677.92 km) |
| Galveston to Beja | 4,858.06 mi (7,818.29 km) |
| Galveston to Belas | 4,769.23 mi (7,675.33 km) |
