| Gloucester City to Karlovo | 4,856.81 mi (7,816.28 km) |
| Gloucester City to Karnobat | 4,945.37 mi (7,958.80 km) |
| Gloucester City to Kavarna | 4,965.07 mi (7,990.50 km) |
| Gloucester City to Kazanlak | 4,882.06 mi (7,856.92 km) |
| Gloucester City to Knezha | 4,792.34 mi (7,712.52 km) |
| Gloucester City to Kostinbrod | 4,784.58 mi (7,700.04 km) |
| Gloucester City to Kozloduy | 4,766.69 mi (7,671.25 km) |
| Gloucester City to Kyustendil | 4,784.02 mi (7,699.13 km) |
| Gloucester City to Levski | 4,840.26 mi (7,789.65 km) |
| Gloucester City to Lom | 4,744.88 mi (7,636.14 km) |
| Gloucester City to Lovech | 4,832.96 mi (7,777.89 km) |
| Gloucester City to Lukovit | 4,807.92 mi (7,737.60 km) |
| Gloucester City to Lyaskovets | 4,874.82 mi (7,845.26 km) |
| Gloucester City to Mezdra | 4,790.92 mi (7,710.25 km) |
| Gloucester City to Momchilgrad | 4,927.87 mi (7,930.64 km) |
