| Giffnock to Karlovo | 1,578.60 mi (2,540.51 km) |
| Giffnock to Karnobat | 1,657.74 mi (2,667.88 km) |
| Giffnock to Kavarna | 1,669.62 mi (2,686.99 km) |
| Giffnock to Kazanlak | 1,601.18 mi (2,576.85 km) |
| Giffnock to Knezha | 1,511.00 mi (2,431.72 km) |
| Giffnock to Kostinbrod | 1,513.55 mi (2,435.82 km) |
| Giffnock to Kozloduy | 1,484.81 mi (2,389.58 km) |
| Giffnock to Kyustendil | 1,521.62 mi (2,448.81 km) |
| Giffnock to Levski | 1,555.29 mi (2,503.00 km) |
| Giffnock to Lom | 1,464.99 mi (2,357.68 km) |
| Giffnock to Lovech | 1,551.43 mi (2,496.79 km) |
| Giffnock to Lukovit | 1,528.50 mi (2,459.89 km) |
| Giffnock to Lyaskovets | 1,589.23 mi (2,557.61 km) |
| Giffnock to Mezdra | 1,514.27 mi (2,436.97 km) |
| Giffnock to Momchilgrad | 1,655.48 mi (2,664.24 km) |
