| Bithlo to Arcos de Valdevez | 4,082.79 mi (6,570.62 km) |
| Bithlo to Arcozelo | 4,083.37 mi (6,571.55 km) |
| Bithlo to Arganil | 4,126.28 mi (6,640.61 km) |
| Bithlo to Arouca | 4,105.30 mi (6,606.84 km) |
| Bithlo to Arruda dos Vinhos | 4,093.71 mi (6,588.18 km) |
| Bithlo to Aveiro | 4,089.25 mi (6,581.01 km) |
| Bithlo to Aver-o-Mar | 4,071.62 mi (6,552.64 km) |
| Bithlo to Aves | 4,094.81 mi (6,589.96 km) |
| Bithlo to Azambuja | 4,102.79 mi (6,602.80 km) |
| Bithlo to Baiao | 4,112.47 mi (6,618.37 km) |
| Bithlo to Barcelos | 4,077.66 mi (6,562.36 km) |
| Bithlo to Barreiro | 4,098.86 mi (6,596.49 km) |
| Bithlo to Batalha | 4,096.88 mi (6,593.29 km) |
| Bithlo to Beja | 4,171.77 mi (6,713.81 km) |
| Bithlo to Belas | 4,086.36 mi (6,576.36 km) |
