| Doetinchem to Smolyan | 1,122.58 mi (1,806.62 km) |
| Doetinchem to Sofia | 1,018.36 mi (1,638.89 km) |
| Doetinchem to Sopot | 1,072.64 mi (1,726.24 km) |
| Doetinchem to Sozopol | 1,195.04 mi (1,923.23 km) |
| Doetinchem to Sredets | 1,178.87 mi (1,897.20 km) |
| Doetinchem to Stamboliyski | 1,089.50 mi (1,753.38 km) |
| Doetinchem to Stara Zagora | 1,116.35 mi (1,796.59 km) |
| Doetinchem to Svilengrad | 1,168.47 mi (1,880.47 km) |
| Doetinchem to Svishtov | 1,050.91 mi (1,691.27 km) |
| Doetinchem to Targovishte | 1,114.64 mi (1,793.85 km) |
| Doetinchem to Teteven | 1,042.15 mi (1,677.19 km) |
| Doetinchem to Troyan | 1,060.42 mi (1,706.58 km) |
| Doetinchem to Tryavna | 1,090.54 mi (1,755.05 km) |
| Doetinchem to Tutrakan | 1,081.42 mi (1,740.37 km) |
| Doetinchem to Varna | 1,168.10 mi (1,879.88 km) |
