| Tigard to Alenquer | 5,303.39 mi (8,534.99 km) |
| Tigard to Alfena | 5,207.04 mi (8,379.91 km) |
| Tigard to Alijo | 5,240.95 mi (8,434.49 km) |
| Tigard to Aljustrel | 5,392.65 mi (8,678.63 km) |
| Tigard to Almada | 5,317.56 mi (8,557.78 km) |
| Tigard to Almargem | 5,304.86 mi (8,537.35 km) |
| Tigard to Almeirim | 5,309.72 mi (8,545.17 km) |
| Tigard to Amadora | 5,312.14 mi (8,549.06 km) |
| Tigard to Amarante | 5,221.27 mi (8,402.82 km) |
| Tigard to Amares | 5,193.99 mi (8,358.91 km) |
| Tigard to Amora | 5,321.75 mi (8,564.53 km) |
| Tigard to Anadia | 5,251.98 mi (8,452.24 km) |
| Tigard to Angra do Heroismo | 4,624.87 mi (7,443.00 km) |
| Tigard to Ansiao | 5,278.84 mi (8,495.48 km) |
| Tigard to Anta | 5,215.56 mi (8,393.64 km) |
