| Nigran to Smolyan | 1,713.38 mi (2,757.42 km) |
| Nigran to Sofia | 1,629.59 mi (2,622.57 km) |
| Nigran to Sopot | 1,701.23 mi (2,737.86 km) |
| Nigran to Sozopol | 1,851.70 mi (2,980.02 km) |
| Nigran to Sredets | 1,827.68 mi (2,941.37 km) |
| Nigran to Stamboliyski | 1,697.09 mi (2,731.21 km) |
| Nigran to Stara Zagora | 1,749.03 mi (2,814.79 km) |
| Nigran to Svilengrad | 1,786.14 mi (2,874.51 km) |
| Nigran to Svishtov | 1,720.11 mi (2,768.26 km) |
| Nigran to Targovishte | 1,785.25 mi (2,873.08 km) |
| Nigran to Teteven | 1,673.90 mi (2,693.88 km) |
| Nigran to Troyan | 1,696.74 mi (2,730.63 km) |
| Nigran to Tryavna | 1,735.99 mi (2,793.81 km) |
| Nigran to Tutrakan | 1,778.21 mi (2,861.76 km) |
| Nigran to Varna | 1,851.72 mi (2,980.06 km) |
