| Cologne to Zottegem | 137.45 mi (221.21 km) |
| Cologne to Zulte | 153.27 mi (246.66 km) |
| Cologne to Zwevegem | 158.09 mi (254.43 km) |
| Cologne to Zwijndrecht | 115.34 mi (185.63 km) |
| Cologne to Asenovgrad | 1,047.32 mi (1,685.49 km) |
| Cologne to Aytos | 1,110.28 mi (1,786.82 km) |
| Cologne to Balchik | 1,117.46 mi (1,798.38 km) |
| Cologne to Bankya | 950.06 mi (1,528.98 km) |
| Cologne to Bansko | 1,004.16 mi (1,616.04 km) |
| Cologne to Berkovitsa | 924.99 mi (1,488.63 km) |
| Cologne to Blagoevgrad | 981.12 mi (1,578.96 km) |
| Cologne to Botevgrad | 965.58 mi (1,553.94 km) |
| Cologne to Burgas | 1,127.48 mi (1,814.51 km) |
| Cologne to Byala Slatina | 946.16 mi (1,522.69 km) |
| Cologne to Chirpan | 1,056.44 mi (1,700.18 km) |
