| Nairn to Smolyan | 1,669.06 mi (2,686.10 km) |
| Nairn to Sofia | 1,564.92 mi (2,518.49 km) |
| Nairn to Sopot | 1,613.88 mi (2,597.29 km) |
| Nairn to Sozopol | 1,724.66 mi (2,775.57 km) |
| Nairn to Sredets | 1,711.20 mi (2,753.92 km) |
| Nairn to Stamboliyski | 1,634.17 mi (2,629.94 km) |
| Nairn to Stara Zagora | 1,655.01 mi (2,663.48 km) |
| Nairn to Svilengrad | 1,708.38 mi (2,749.36 km) |
| Nairn to Svishtov | 1,583.64 mi (2,548.63 km) |
| Nairn to Targovishte | 1,644.02 mi (2,645.79 km) |
| Nairn to Teteven | 1,583.96 mi (2,549.14 km) |
| Nairn to Troyan | 1,600.53 mi (2,575.80 km) |
| Nairn to Tryavna | 1,627.36 mi (2,618.98 km) |
| Nairn to Tutrakan | 1,604.70 mi (2,582.52 km) |
| Nairn to Varna | 1,691.18 mi (2,721.70 km) |
