| Sumter to Arcos de Valdevez | 3,847.59 mi (6,192.09 km) |
| Sumter to Arcozelo | 3,853.06 mi (6,200.90 km) |
| Sumter to Arganil | 3,900.17 mi (6,276.72 km) |
| Sumter to Arouca | 3,875.22 mi (6,236.56 km) |
| Sumter to Arruda dos Vinhos | 3,876.29 mi (6,238.28 km) |
| Sumter to Aveiro | 3,861.44 mi (6,214.38 km) |
| Sumter to Aver-o-Mar | 3,839.41 mi (6,178.93 km) |
| Sumter to Aves | 3,861.84 mi (6,215.03 km) |
| Sumter to Azambuja | 3,884.60 mi (6,251.66 km) |
| Sumter to Baiao | 3,880.77 mi (6,245.50 km) |
| Sumter to Barcelos | 3,844.61 mi (6,187.30 km) |
| Sumter to Barreiro | 3,883.36 mi (6,249.66 km) |
| Sumter to Batalha | 3,875.10 mi (6,236.37 km) |
| Sumter to Beja | 3,958.38 mi (6,370.40 km) |
| Sumter to Belas | 3,870.48 mi (6,228.93 km) |
