| Cities | Distance |
|---|---|
| Sliven to Nazarje | 613.78 mi (987.79 km) |
| Sliven to Nova Gorica | 665.91 mi (1,071.68 km) |
| Sliven to Nova Vas | 622.51 mi (1,001.83 km) |
| Sliven to Novo Mesto | 592.56 mi (953.63 km) |
| Sliven to Odranci | 562.64 mi (905.49 km) |
| Sliven to Oplotnica | 593.44 mi (955.05 km) |
| Sliven to Ormoz | 563.16 mi (906.32 km) |
| Sliven to Osilnica | 609.14 mi (980.31 km) |
| Sliven to Pesnica | 589.47 mi (948.66 km) |
| Sliven to Piran | 662.27 mi (1,065.82 km) |
| Sliven to Pivka | 635.14 mi (1,022.16 km) |
| Sliven to Podcetrtek | 581.00 mi (935.03 km) |
| Sliven to Podlehnik | 573.01 mi (922.18 km) |
| Sliven to Podvelka | 603.81 mi (971.74 km) |
| Sliven to Poljcane | 585.69 mi (942.57 km) |