| Upper Arlington to Arcos de Valdevez | 3,768.72 mi (6,065.18 km) |
| Upper Arlington to Arcozelo | 3,781.64 mi (6,085.97 km) |
| Upper Arlington to Arganil | 3,834.45 mi (6,170.95 km) |
| Upper Arlington to Arouca | 3,803.84 mi (6,121.68 km) |
| Upper Arlington to Arruda dos Vinhos | 3,823.97 mi (6,154.08 km) |
| Upper Arlington to Aveiro | 3,793.71 mi (6,105.39 km) |
| Upper Arlington to Aver-o-Mar | 3,765.29 mi (6,059.65 km) |
| Upper Arlington to Aves | 3,786.22 mi (6,093.33 km) |
| Upper Arlington to Azambuja | 3,831.00 mi (6,165.40 km) |
| Upper Arlington to Baiao | 3,806.83 mi (6,126.49 km) |
| Upper Arlington to Barcelos | 3,769.13 mi (6,065.82 km) |
| Upper Arlington to Barreiro | 3,833.77 mi (6,169.85 km) |
| Upper Arlington to Batalha | 3,816.29 mi (6,141.73 km) |
| Upper Arlington to Beja | 3,910.79 mi (6,293.81 km) |
| Upper Arlington to Belas | 3,820.53 mi (6,148.54 km) |
