| Napa to Karlovo | 6,475.54 mi (10,421.37 km) |
| Napa to Karnobat | 6,522.04 mi (10,496.22 km) |
| Napa to Kavarna | 6,498.10 mi (10,457.68 km) |
| Napa to Kazanlak | 6,489.99 mi (10,444.63 km) |
| Napa to Knezha | 6,406.40 mi (10,310.10 km) |
| Napa to Kostinbrod | 6,429.58 mi (10,347.40 km) |
| Napa to Kozloduy | 6,381.14 mi (10,269.46 km) |
| Napa to Kyustendil | 6,450.36 mi (10,380.85 km) |
| Napa to Levski | 6,437.32 mi (10,359.86 km) |
| Napa to Lom | 6,367.60 mi (10,247.67 km) |
| Napa to Lovech | 6,442.92 mi (10,368.87 km) |
| Napa to Lukovit | 6,426.89 mi (10,343.07 km) |
| Napa to Lyaskovets | 6,466.37 mi (10,406.62 km) |
| Napa to Mezdra | 6,419.72 mi (10,331.55 km) |
| Napa to Momchilgrad | 6,558.27 mi (10,554.51 km) |
