| Birkenfeld to Zottegem | 255.70 mi (411.51 km) |
| Birkenfeld to Zulte | 271.26 mi (436.55 km) |
| Birkenfeld to Zwevegem | 271.26 mi (436.55 km) |
| Birkenfeld to Zwijndrecht | 250.42 mi (403.02 km) |
| Birkenfeld to Asenovgrad | 915.50 mi (1,473.35 km) |
| Birkenfeld to Aytos | 989.55 mi (1,592.52 km) |
| Birkenfeld to Balchik | 1,003.88 mi (1,615.59 km) |
| Birkenfeld to Bankya | 816.29 mi (1,313.69 km) |
| Birkenfeld to Bansko | 867.14 mi (1,395.53 km) |
| Birkenfeld to Berkovitsa | 794.25 mi (1,278.22 km) |
| Birkenfeld to Blagoevgrad | 843.66 mi (1,357.74 km) |
| Birkenfeld to Botevgrad | 835.17 mi (1,344.07 km) |
| Birkenfeld to Burgas | 1,006.27 mi (1,619.44 km) |
| Birkenfeld to Byala Slatina | 819.63 mi (1,319.07 km) |
| Birkenfeld to Chirpan | 927.01 mi (1,491.88 km) |
