| Nittedal to Smolyan | 1,406.28 mi (2,263.20 km) |
| Nittedal to Sofia | 1,309.98 mi (2,108.21 km) |
| Nittedal to Sopot | 1,338.19 mi (2,153.61 km) |
| Nittedal to Sozopol | 1,411.33 mi (2,271.32 km) |
| Nittedal to Sredets | 1,405.11 mi (2,261.30 km) |
| Nittedal to Stamboliyski | 1,367.66 mi (2,201.03 km) |
| Nittedal to Stara Zagora | 1,368.98 mi (2,203.17 km) |
| Nittedal to Svilengrad | 1,422.26 mi (2,288.90 km) |
| Nittedal to Svishtov | 1,287.65 mi (2,072.26 km) |
| Nittedal to Targovishte | 1,335.59 mi (2,149.42 km) |
| Nittedal to Teteven | 1,312.21 mi (2,111.80 km) |
| Nittedal to Troyan | 1,322.56 mi (2,128.45 km) |
| Nittedal to Tryavna | 1,338.36 mi (2,153.89 km) |
| Nittedal to Tutrakan | 1,286.02 mi (2,069.65 km) |
| Nittedal to Varna | 1,365.89 mi (2,198.19 km) |
