| Itzehoe to Smolyan | 1,101.85 mi (1,773.26 km) |
| Itzehoe to Sofia | 998.58 mi (1,607.06 km) |
| Itzehoe to Sopot | 1,043.16 mi (1,678.81 km) |
| Itzehoe to Sozopol | 1,148.83 mi (1,848.87 km) |
| Itzehoe to Sredets | 1,136.13 mi (1,828.42 km) |
| Itzehoe to Stamboliyski | 1,065.69 mi (1,715.07 km) |
| Itzehoe to Stara Zagora | 1,082.63 mi (1,742.33 km) |
| Itzehoe to Svilengrad | 1,136.39 mi (1,828.84 km) |
| Itzehoe to Svishtov | 1,009.15 mi (1,624.07 km) |
| Itzehoe to Targovishte | 1,068.34 mi (1,719.32 km) |
| Itzehoe to Teteven | 1,013.79 mi (1,631.54 km) |
| Itzehoe to Troyan | 1,029.23 mi (1,656.38 km) |
| Itzehoe to Tryavna | 1,054.26 mi (1,696.67 km) |
| Itzehoe to Tutrakan | 1,027.98 mi (1,654.37 km) |
| Itzehoe to Varna | 1,114.30 mi (1,793.29 km) |
