| Butler to Arcos de Valdevez | 3,593.95 mi (5,783.91 km) |
| Butler to Arcozelo | 3,606.47 mi (5,804.04 km) |
| Butler to Arganil | 3,659.01 mi (5,888.61 km) |
| Butler to Arouca | 3,628.67 mi (5,839.77 km) |
| Butler to Arruda dos Vinhos | 3,648.00 mi (5,870.88 km) |
| Butler to Aveiro | 3,618.36 mi (5,823.18 km) |
| Butler to Aver-o-Mar | 3,590.25 mi (5,777.95 km) |
| Butler to Aves | 3,611.27 mi (5,811.77 km) |
| Butler to Azambuja | 3,655.07 mi (5,882.27 km) |
| Butler to Baiao | 3,631.79 mi (5,844.81 km) |
| Butler to Barcelos | 3,594.16 mi (5,784.24 km) |
| Butler to Barreiro | 3,657.71 mi (5,886.51 km) |
| Butler to Batalha | 3,640.55 mi (5,858.90 km) |
| Butler to Beja | 3,734.69 mi (6,010.40 km) |
| Butler to Belas | 3,644.48 mi (5,865.22 km) |
