| Karlovo to Alfena | 1,704.74 mi (2,743.51 km) |
| Karlovo to Alijo | 1,651.22 mi (2,657.39 km) |
| Karlovo to Aljustrel | 1,756.93 mi (2,827.51 km) |
| Karlovo to Almada | 1,788.86 mi (2,878.89 km) |
| Karlovo to Almargem | 1,790.73 mi (2,881.89 km) |
| Karlovo to Almeirim | 1,749.56 mi (2,815.64 km) |
| Karlovo to Amadora | 1,791.43 mi (2,883.03 km) |
| Karlovo to Amarante | 1,681.17 mi (2,705.58 km) |
| Karlovo to Amares | 1,688.74 mi (2,717.77 km) |
| Karlovo to Amora | 1,788.12 mi (2,877.70 km) |
| Karlovo to Anadia | 1,714.77 mi (2,759.66 km) |
| Karlovo to Angra do Heroismo | 2,697.90 mi (4,341.85 km) |
| Karlovo to Ansiao | 1,725.01 mi (2,776.13 km) |
| Karlovo to Anta | 1,713.81 mi (2,758.11 km) |
| Karlovo to Arcos de Valdevez | 1,689.33 mi (2,718.72 km) |
