| Rietberg to Devnya | 1,066.89 mi (1,717.00 km) |
| Rietberg to Dimitrovgrad | 1,048.98 mi (1,688.17 km) |
| Rietberg to Dobrich | 1,061.70 mi (1,708.63 km) |
| Rietberg to Dospat | 1,019.26 mi (1,640.34 km) |
| Rietberg to Dupnitsa | 951.82 mi (1,531.80 km) |
| Rietberg to Elhovo | 1,078.27 mi (1,735.31 km) |
| Rietberg to Etropole | 953.32 mi (1,534.23 km) |
| Rietberg to Gabrovo | 999.52 mi (1,608.56 km) |
| Rietberg to Gorna Oryahovitsa | 1,000.34 mi (1,609.89 km) |
| Rietberg to Gotse Delchev | 1,009.00 mi (1,623.83 km) |
| Rietberg to Harmanli | 1,065.50 mi (1,714.76 km) |
| Rietberg to Haskovo | 1,053.59 mi (1,695.59 km) |
| Rietberg to Ihtiman | 966.78 mi (1,555.89 km) |
| Rietberg to Isperih | 1,016.51 mi (1,635.91 km) |
| Rietberg to Kardzhali | 1,060.75 mi (1,707.11 km) |
