| Sliven to Zuromin | 776.14 mi (1,249.08 km) |
| Sliven to Zychlin | 730.49 mi (1,175.60 km) |
| Sliven to Zyrardow | 703.04 mi (1,131.43 km) |
| Sliven to Zywiec | 591.49 mi (951.91 km) |
| Sliven to Abrantes | 1,799.67 mi (2,896.29 km) |
| Sliven to Agualva | 1,871.13 mi (3,011.30 km) |
| Sliven to Aguas Santas | 1,784.74 mi (2,872.27 km) |
| Sliven to Agueda | 1,789.47 mi (2,879.88 km) |
| Sliven to Albergaria-a-Velha | 1,788.82 mi (2,878.83 km) |
| Sliven to Albufeira | 1,859.92 mi (2,993.25 km) |
| Sliven to Alcacer do Sal | 1,840.78 mi (2,962.45 km) |
| Sliven to Alcanena | 1,823.34 mi (2,934.38 km) |
| Sliven to Alcobaca | 1,837.20 mi (2,956.69 km) |
| Sliven to Alcochete | 1,854.77 mi (2,984.97 km) |
| Sliven to Alenquer | 1,850.37 mi (2,977.88 km) |
