| Namsos to Smolyan | 1,665.64 mi (2,680.58 km) |
| Namsos to Sofia | 1,574.16 mi (2,533.36 km) |
| Namsos to Sopot | 1,594.84 mi (2,566.65 km) |
| Namsos to Sozopol | 1,651.62 mi (2,658.02 km) |
| Namsos to Sredets | 1,648.56 mi (2,653.09 km) |
| Namsos to Stamboliyski | 1,626.69 mi (2,617.90 km) |
| Namsos to Stara Zagora | 1,621.14 mi (2,608.98 km) |
| Namsos to Svilengrad | 1,673.04 mi (2,692.49 km) |
| Namsos to Svishtov | 1,538.31 mi (2,475.67 km) |
| Namsos to Targovishte | 1,580.00 mi (2,542.76 km) |
| Namsos to Teteven | 1,570.88 mi (2,528.09 km) |
| Namsos to Troyan | 1,578.82 mi (2,540.86 km) |
| Namsos to Tryavna | 1,590.24 mi (2,559.24 km) |
| Namsos to Tutrakan | 1,527.65 mi (2,458.51 km) |
| Namsos to Varna | 1,602.27 mi (2,578.60 km) |
