| Illkirch-Graffenstaden to Smolyan | 954.63 mi (1,536.32 km) |
| Illkirch-Graffenstaden to Sofia | 852.98 mi (1,372.74 km) |
| Illkirch-Graffenstaden to Sopot | 915.45 mi (1,473.28 km) |
| Illkirch-Graffenstaden to Sozopol | 1,052.16 mi (1,693.29 km) |
| Illkirch-Graffenstaden to Sredets | 1,032.60 mi (1,661.82 km) |
| Illkirch-Graffenstaden to Stamboliyski | 925.76 mi (1,489.87 km) |
| Illkirch-Graffenstaden to Stara Zagora | 962.21 mi (1,548.53 km) |
| Illkirch-Graffenstaden to Svilengrad | 1,010.93 mi (1,626.93 km) |
| Illkirch-Graffenstaden to Svishtov | 908.06 mi (1,461.38 km) |
| Illkirch-Graffenstaden to Targovishte | 974.55 mi (1,568.39 km) |
| Illkirch-Graffenstaden to Teteven | 884.91 mi (1,424.12 km) |
| Illkirch-Graffenstaden to Troyan | 905.52 mi (1,457.30 km) |
| Illkirch-Graffenstaden to Tryavna | 940.09 mi (1,512.93 km) |
| Illkirch-Graffenstaden to Tutrakan | 950.87 mi (1,530.27 km) |
| Illkirch-Graffenstaden to Varna | 1,034.82 mi (1,665.39 km) |
