| Circleville to Arcos de Valdevez | 3,776.08 mi (6,077.01 km) |
| Circleville to Arcozelo | 3,788.51 mi (6,097.01 km) |
| Circleville to Arganil | 3,840.96 mi (6,181.42 km) |
| Circleville to Arouca | 3,810.71 mi (6,132.74 km) |
| Circleville to Arruda dos Vinhos | 3,829.58 mi (6,163.11 km) |
| Circleville to Aveiro | 3,800.34 mi (6,116.05 km) |
| Circleville to Aver-o-Mar | 3,772.32 mi (6,070.97 km) |
| Circleville to Aves | 3,793.36 mi (6,104.83 km) |
| Circleville to Azambuja | 3,836.70 mi (6,174.57 km) |
| Circleville to Baiao | 3,813.87 mi (6,137.83 km) |
| Circleville to Barcelos | 3,776.25 mi (6,077.29 km) |
| Circleville to Barreiro | 3,839.20 mi (6,178.59 km) |
| Circleville to Batalha | 3,822.33 mi (6,151.45 km) |
| Circleville to Beja | 3,916.13 mi (6,302.40 km) |
| Circleville to Belas | 3,825.97 mi (6,157.31 km) |
