| Spout Springs to Karlovo | 5,228.17 mi (8,413.93 km) |
| Spout Springs to Karnobat | 5,318.38 mi (8,559.11 km) |
| Spout Springs to Kavarna | 5,340.07 mi (8,594.01 km) |
| Spout Springs to Kazanlak | 5,253.85 mi (8,455.25 km) |
| Spout Springs to Knezha | 5,164.40 mi (8,311.30 km) |
| Spout Springs to Kostinbrod | 5,154.95 mi (8,296.09 km) |
| Spout Springs to Kozloduy | 5,138.90 mi (8,270.27 km) |
| Spout Springs to Kyustendil | 5,153.10 mi (8,293.12 km) |
| Spout Springs to Levski | 5,212.91 mi (8,389.37 km) |
| Spout Springs to Lom | 5,116.79 mi (8,234.68 km) |
| Spout Springs to Lovech | 5,204.97 mi (8,376.58 km) |
| Spout Springs to Lukovit | 5,179.61 mi (8,335.77 km) |
| Spout Springs to Lyaskovets | 5,247.52 mi (8,445.07 km) |
| Spout Springs to Mezdra | 5,162.18 mi (8,307.72 km) |
| Spout Springs to Momchilgrad | 5,298.07 mi (8,526.42 km) |
