| Holyoke to Karlovo | 4,655.87 mi (7,492.90 km) |
| Holyoke to Karnobat | 4,743.67 mi (7,634.20 km) |
| Holyoke to Kavarna | 4,762.49 mi (7,664.48 km) |
| Holyoke to Kazanlak | 4,680.93 mi (7,533.23 km) |
| Holyoke to Knezha | 4,591.10 mi (7,388.66 km) |
| Holyoke to Kostinbrod | 4,584.12 mi (7,377.43 km) |
| Holyoke to Kozloduy | 4,565.39 mi (7,347.28 km) |
| Holyoke to Kyustendil | 4,584.15 mi (7,377.48 km) |
| Holyoke to Levski | 4,638.75 mi (7,465.34 km) |
| Holyoke to Lom | 4,543.72 mi (7,312.41 km) |
| Holyoke to Lovech | 4,631.74 mi (7,454.06 km) |
| Holyoke to Lukovit | 4,606.85 mi (7,414.01 km) |
| Holyoke to Lyaskovets | 4,673.27 mi (7,520.90 km) |
| Holyoke to Mezdra | 4,590.05 mi (7,386.98 km) |
| Holyoke to Momchilgrad | 4,727.45 mi (7,608.10 km) |
