| Narva to Smolyan | 1,238.50 mi (1,993.17 km) |
| Narva to Sofia | 1,170.66 mi (1,883.99 km) |
| Narva to Sopot | 1,164.92 mi (1,874.76 km) |
| Narva to Sozopol | 1,171.95 mi (1,886.07 km) |
| Narva to Sredets | 1,177.14 mi (1,894.42 km) |
| Narva to Stamboliyski | 1,201.60 mi (1,933.80 km) |
| Narva to Stara Zagora | 1,175.64 mi (1,892.02 km) |
| Narva to Svilengrad | 1,219.68 mi (1,962.89 km) |
| Narva to Svishtov | 1,095.46 mi (1,762.97 km) |
| Narva to Targovishte | 1,116.28 mi (1,796.48 km) |
| Narva to Teteven | 1,149.40 mi (1,849.79 km) |
| Narva to Troyan | 1,149.08 mi (1,849.26 km) |
| Narva to Tryavna | 1,146.40 mi (1,844.95 km) |
| Narva to Tutrakan | 1,060.99 mi (1,707.50 km) |
| Narva to Varna | 1,116.55 mi (1,796.91 km) |
