| Robstown to Arcos de Valdevez | 4,930.15 mi (7,934.30 km) |
| Robstown to Arcozelo | 4,939.13 mi (7,948.77 km) |
| Robstown to Arganil | 4,988.84 mi (8,028.77 km) |
| Robstown to Arouca | 4,961.36 mi (7,984.54 km) |
| Robstown to Arruda dos Vinhos | 4,970.15 mi (7,998.69 km) |
| Robstown to Aveiro | 4,949.16 mi (7,964.91 km) |
| Robstown to Aver-o-Mar | 4,924.21 mi (7,924.75 km) |
| Robstown to Aves | 4,945.99 mi (7,959.80 km) |
| Robstown to Azambuja | 4,978.02 mi (8,011.35 km) |
| Robstown to Baiao | 4,965.75 mi (7,991.60 km) |
| Robstown to Barcelos | 4,928.79 mi (7,932.11 km) |
| Robstown to Barreiro | 4,978.20 mi (8,011.64 km) |
| Robstown to Batalha | 4,966.53 mi (7,992.86 km) |
| Robstown to Beja | 5,054.05 mi (8,133.71 km) |
| Robstown to Belas | 4,965.17 mi (7,990.66 km) |
