| Copiague to Karlovo | 4,752.35 mi (7,648.17 km) |
| Copiague to Karnobat | 4,841.21 mi (7,791.17 km) |
| Copiague to Kavarna | 4,861.33 mi (7,823.56 km) |
| Copiague to Kazanlak | 4,777.68 mi (7,688.93 km) |
| Copiague to Knezha | 4,688.00 mi (7,544.60 km) |
| Copiague to Kostinbrod | 4,679.97 mi (7,531.68 km) |
| Copiague to Kozloduy | 4,662.37 mi (7,503.37 km) |
| Copiague to Kyustendil | 4,679.23 mi (7,530.49 km) |
| Copiague to Levski | 4,736.03 mi (7,621.90 km) |
| Copiague to Lom | 4,640.51 mi (7,468.18 km) |
| Copiague to Lovech | 4,728.61 mi (7,609.96 km) |
| Copiague to Lukovit | 4,703.51 mi (7,569.58 km) |
| Copiague to Lyaskovets | 4,770.60 mi (7,677.53 km) |
| Copiague to Mezdra | 4,686.45 mi (7,542.11 km) |
| Copiague to Momchilgrad | 4,823.24 mi (7,762.26 km) |
