| Bad Neuenahr-Ahrweiler to Smolyan | 1,041.72 mi (1,676.49 km) |
| Bad Neuenahr-Ahrweiler to Sofia | 938.00 mi (1,509.57 km) |
| Bad Neuenahr-Ahrweiler to Sopot | 995.42 mi (1,601.98 km) |
| Bad Neuenahr-Ahrweiler to Sozopol | 1,123.53 mi (1,808.15 km) |
| Bad Neuenahr-Ahrweiler to Sredets | 1,106.05 mi (1,780.02 km) |
| Bad Neuenahr-Ahrweiler to Stamboliyski | 1,010.02 mi (1,625.46 km) |
| Bad Neuenahr-Ahrweiler to Stara Zagora | 1,040.41 mi (1,674.38 km) |
| Bad Neuenahr-Ahrweiler to Svilengrad | 1,091.50 mi (1,756.60 km) |
| Bad Neuenahr-Ahrweiler to Svishtov | 978.78 mi (1,575.20 km) |
| Bad Neuenahr-Ahrweiler to Targovishte | 1,043.84 mi (1,679.89 km) |
| Bad Neuenahr-Ahrweiler to Teteven | 964.78 mi (1,552.67 km) |
| Bad Neuenahr-Ahrweiler to Troyan | 983.97 mi (1,583.55 km) |
| Bad Neuenahr-Ahrweiler to Tryavna | 1,015.83 mi (1,634.82 km) |
| Bad Neuenahr-Ahrweiler to Tutrakan | 1,013.99 mi (1,631.86 km) |
| Bad Neuenahr-Ahrweiler to Varna | 1,100.06 mi (1,770.37 km) |
