| Wittlich to Smolyan | 1,031.98 mi (1,660.81 km) |
| Wittlich to Sofia | 928.77 mi (1,494.72 km) |
| Wittlich to Sopot | 987.94 mi (1,589.93 km) |
| Wittlich to Sozopol | 1,118.97 mi (1,800.82 km) |
| Wittlich to Sredets | 1,100.81 mi (1,771.59 km) |
| Wittlich to Stamboliyski | 1,001.16 mi (1,611.21 km) |
| Wittlich to Stara Zagora | 1,033.57 mi (1,663.37 km) |
| Wittlich to Svilengrad | 1,083.96 mi (1,744.47 km) |
| Wittlich to Svishtov | 974.19 mi (1,567.81 km) |
| Wittlich to Targovishte | 1,039.81 mi (1,673.41 km) |
| Wittlich to Teteven | 957.27 mi (1,540.58 km) |
| Wittlich to Troyan | 976.96 mi (1,572.26 km) |
| Wittlich to Tryavna | 1,009.73 mi (1,625.00 km) |
| Wittlich to Tutrakan | 1,011.80 mi (1,628.34 km) |
| Wittlich to Varna | 1,097.37 mi (1,766.04 km) |
