| Isla Vista to Karlovo | 6,663.60 mi (10,724.03 km) |
| Isla Vista to Karnobat | 6,715.94 mi (10,808.26 km) |
| Isla Vista to Kavarna | 6,696.92 mi (10,777.65 km) |
| Isla Vista to Kazanlak | 6,679.60 mi (10,749.78 km) |
| Isla Vista to Knezha | 6,594.14 mi (10,612.24 km) |
| Isla Vista to Kostinbrod | 6,613.69 mi (10,643.70 km) |
| Isla Vista to Kozloduy | 6,568.50 mi (10,570.98 km) |
| Isla Vista to Kyustendil | 6,631.97 mi (10,673.12 km) |
| Isla Vista to Levski | 6,627.59 mi (10,666.08 km) |
| Isla Vista to Lom | 6,553.74 mi (10,547.23 km) |
| Isla Vista to Lovech | 6,631.65 mi (10,672.61 km) |
| Isla Vista to Lukovit | 6,614.28 mi (10,644.65 km) |
| Isla Vista to Lyaskovets | 6,657.71 mi (10,714.54 km) |
| Isla Vista to Mezdra | 6,605.78 mi (10,630.97 km) |
| Isla Vista to Momchilgrad | 6,745.93 mi (10,856.53 km) |
