| Shasta Lake to Arcos de Valdevez | 5,399.23 mi (8,689.23 km) |
| Shasta Lake to Arcozelo | 5,429.75 mi (8,738.34 km) |
| Shasta Lake to Arganil | 5,492.42 mi (8,839.20 km) |
| Shasta Lake to Arouca | 5,450.25 mi (8,771.32 km) |
| Shasta Lake to Arruda dos Vinhos | 5,514.88 mi (8,875.34 km) |
| Shasta Lake to Aveiro | 5,449.97 mi (8,770.88 km) |
| Shasta Lake to Aver-o-Mar | 5,408.01 mi (8,703.34 km) |
| Shasta Lake to Aves | 5,423.45 mi (8,728.20 km) |
| Shasta Lake to Azambuja | 5,518.40 mi (8,881.00 km) |
| Shasta Lake to Baiao | 5,446.60 mi (8,765.46 km) |
| Shasta Lake to Barcelos | 5,408.11 mi (8,703.50 km) |
| Shasta Lake to Barreiro | 5,530.34 mi (8,900.23 km) |
| Shasta Lake to Batalha | 5,492.40 mi (8,839.16 km) |
| Shasta Lake to Beja | 5,606.54 mi (9,022.85 km) |
| Shasta Lake to Belas | 5,517.22 mi (8,879.11 km) |
