| Efringen-Kirchen to Devnya | 1,013.71 mi (1,631.40 km) |
| Efringen-Kirchen to Dimitrovgrad | 961.57 mi (1,547.50 km) |
| Efringen-Kirchen to Dobrich | 1,016.16 mi (1,635.35 km) |
| Efringen-Kirchen to Dospat | 912.84 mi (1,469.07 km) |
| Efringen-Kirchen to Dupnitsa | 844.64 mi (1,359.31 km) |
| Efringen-Kirchen to Elhovo | 1,000.84 mi (1,610.69 km) |
| Efringen-Kirchen to Etropole | 863.97 mi (1,390.42 km) |
| Efringen-Kirchen to Gabrovo | 922.68 mi (1,484.91 km) |
| Efringen-Kirchen to Gorna Oryahovitsa | 931.04 mi (1,498.37 km) |
| Efringen-Kirchen to Gotse Delchev | 897.20 mi (1,443.90 km) |
| Efringen-Kirchen to Harmanli | 978.95 mi (1,575.46 km) |
| Efringen-Kirchen to Haskovo | 964.14 mi (1,551.63 km) |
| Efringen-Kirchen to Ihtiman | 869.17 mi (1,398.79 km) |
| Efringen-Kirchen to Isperih | 966.11 mi (1,554.80 km) |
| Efringen-Kirchen to Kardzhali | 965.35 mi (1,553.58 km) |
