| Grays to Karlovo | 1,295.04 mi (2,084.16 km) |
| Grays to Karnobat | 1,384.98 mi (2,228.91 km) |
| Grays to Kavarna | 1,410.31 mi (2,269.67 km) |
| Grays to Kazanlak | 1,320.39 mi (2,124.96 km) |
| Grays to Knezha | 1,230.82 mi (1,980.81 km) |
| Grays to Kostinbrod | 1,223.29 mi (1,968.69 km) |
| Grays to Kozloduy | 1,205.29 mi (1,939.73 km) |
| Grays to Kyustendil | 1,224.63 mi (1,970.85 km) |
| Grays to Levski | 1,279.35 mi (2,058.91 km) |
| Grays to Lom | 1,183.26 mi (1,904.27 km) |
| Grays to Lovech | 1,271.40 mi (2,046.13 km) |
| Grays to Lukovit | 1,246.20 mi (2,005.57 km) |
| Grays to Lyaskovets | 1,313.98 mi (2,114.64 km) |
| Grays to Mezdra | 1,229.16 mi (1,978.14 km) |
| Grays to Momchilgrad | 1,366.64 mi (2,199.39 km) |
