| Gifhorn to Smolyan | 1,002.37 mi (1,613.16 km) |
| Gifhorn to Sofia | 898.58 mi (1,446.12 km) |
| Gifhorn to Sopot | 945.70 mi (1,521.95 km) |
| Gifhorn to Sozopol | 1,056.60 mi (1,700.44 km) |
| Gifhorn to Sredets | 1,042.76 mi (1,678.16 km) |
| Gifhorn to Stamboliyski | 966.85 mi (1,556.00 km) |
| Gifhorn to Stara Zagora | 986.44 mi (1,587.52 km) |
| Gifhorn to Svilengrad | 1,039.90 mi (1,673.55 km) |
| Gifhorn to Svishtov | 915.08 mi (1,472.67 km) |
| Gifhorn to Targovishte | 975.90 mi (1,570.56 km) |
| Gifhorn to Teteven | 915.94 mi (1,474.06 km) |
| Gifhorn to Troyan | 932.17 mi (1,500.19 km) |
| Gifhorn to Tryavna | 958.71 mi (1,542.89 km) |
| Gifhorn to Tutrakan | 937.81 mi (1,509.25 km) |
| Gifhorn to Varna | 1,024.53 mi (1,648.83 km) |
