| Sliven to La Victoria de Acentejo | 2,566.53 mi (4,130.43 km) |
| Sliven to Laguna de Duero | 1,583.81 mi (2,548.90 km) |
| Sliven to Lalin | 1,737.91 mi (2,796.89 km) |
| Sliven to Lardero | 1,458.51 mi (2,347.24 km) |
| Sliven to Laredo | 1,494.64 mi (2,405.39 km) |
| Sliven to Las Cabezas de San Juan | 1,745.78 mi (2,809.55 km) |
| Sliven to Las Palmas | 2,526.53 mi (4,066.06 km) |
| Sliven to Las Rozas de Madrid | 1,559.98 mi (2,510.54 km) |
| Sliven to Las Torres de Cotillas | 1,480.17 mi (2,382.10 km) |
| Sliven to Lebrija | 1,754.45 mi (2,823.51 km) |
| Sliven to Leganes | 1,557.53 mi (2,506.61 km) |
| Sliven to Leon | 1,611.67 mi (2,593.74 km) |
| Sliven to Lepe | 1,802.58 mi (2,900.98 km) |
| Sliven to Linares | 1,600.03 mi (2,575.00 km) |
| Sliven to Liria | 1,410.66 mi (2,270.23 km) |
