| Cities | Distance |
|---|---|
| Risca to Alenquer | 913.41 mi (1,469.99 km) |
| Risca to Alfena | 761.27 mi (1,225.15 km) |
| Risca to Alijo | 743.40 mi (1,196.39 km) |
| Risca to Aljustrel | 977.59 mi (1,573.28 km) |
| Risca to Almada | 940.07 mi (1,512.89 km) |
| Risca to Almargem | 930.71 mi (1,497.83 km) |
| Risca to Almeirim | 897.58 mi (1,444.52 km) |
| Risca to Amadora | 937.69 mi (1,509.06 km) |
| Risca to Amarante | 752.32 mi (1,210.74 km) |
| Risca to Amares | 733.32 mi (1,180.16 km) |
| Risca to Amora | 943.05 mi (1,517.69 km) |
| Risca to Anadia | 812.97 mi (1,308.35 km) |
| Risca to Angra do Heroismo | 1,466.13 mi (2,359.51 km) |
| Risca to Ansiao | 847.26 mi (1,363.53 km) |
| Risca to Anta | 778.04 mi (1,252.13 km) |