| Costessey to Karlovo | 1,288.84 mi (2,074.19 km) |
| Costessey to Karnobat | 1,374.17 mi (2,211.51 km) |
| Costessey to Kavarna | 1,393.95 mi (2,243.34 km) |
| Costessey to Kazanlak | 1,312.98 mi (2,113.04 km) |
| Costessey to Knezha | 1,222.85 mi (1,967.99 km) |
| Costessey to Kostinbrod | 1,220.11 mi (1,963.58 km) |
| Costessey to Kozloduy | 1,196.94 mi (1,926.29 km) |
| Costessey to Kyustendil | 1,224.87 mi (1,971.24 km) |
| Costessey to Levski | 1,269.62 mi (2,043.25 km) |
| Costessey to Lom | 1,175.86 mi (1,892.36 km) |
| Costessey to Lovech | 1,263.50 mi (2,033.40 km) |
| Costessey to Lukovit | 1,239.27 mi (1,994.41 km) |
| Costessey to Lyaskovets | 1,304.05 mi (2,098.66 km) |
| Costessey to Mezdra | 1,223.50 mi (1,969.03 km) |
| Costessey to Momchilgrad | 1,363.15 mi (2,193.77 km) |
