| Ocsa to Arcozelo | 1,437.70 mi (2,313.75 km) |
| Ocsa to Arganil | 1,437.62 mi (2,313.63 km) |
| Ocsa to Arouca | 1,423.19 mi (2,290.39 km) |
| Ocsa to Arruda dos Vinhos | 1,527.08 mi (2,457.60 km) |
| Ocsa to Aveiro | 1,451.57 mi (2,336.08 km) |
| Ocsa to Aver-o-Mar | 1,433.02 mi (2,306.23 km) |
| Ocsa to Aves | 1,410.09 mi (2,269.31 km) |
| Ocsa to Azambuja | 1,514.91 mi (2,438.01 km) |
| Ocsa to Baiao | 1,406.06 mi (2,262.84 km) |
| Ocsa to Barcelos | 1,422.53 mi (2,289.34 km) |
| Ocsa to Barreiro | 1,538.55 mi (2,476.06 km) |
| Ocsa to Batalha | 1,491.34 mi (2,400.07 km) |
| Ocsa to Beja | 1,508.45 mi (2,427.61 km) |
| Ocsa to Belas | 1,543.98 mi (2,484.79 km) |
| Ocsa to Benavente | 1,515.44 mi (2,438.87 km) |
