| Romilly-sur-Seine to Karlovo | 1,092.76 mi (1,758.63 km) |
| Romilly-sur-Seine to Karnobat | 1,190.31 mi (1,915.62 km) |
| Romilly-sur-Seine to Kavarna | 1,226.54 mi (1,973.93 km) |
| Romilly-sur-Seine to Kazanlak | 1,120.04 mi (1,802.52 km) |
| Romilly-sur-Seine to Knezha | 1,032.79 mi (1,662.11 km) |
| Romilly-sur-Seine to Kostinbrod | 1,016.50 mi (1,635.89 km) |
| Romilly-sur-Seine to Kozloduy | 1,008.42 mi (1,622.90 km) |
| Romilly-sur-Seine to Kyustendil | 1,011.88 mi (1,628.46 km) |
| Romilly-sur-Seine to Levski | 1,084.00 mi (1,744.54 km) |
| Romilly-sur-Seine to Lom | 984.92 mi (1,585.08 km) |
| Romilly-sur-Seine to Lovech | 1,072.66 mi (1,726.28 km) |
| Romilly-sur-Seine to Lukovit | 1,045.98 mi (1,683.35 km) |
| Romilly-sur-Seine to Lyaskovets | 1,118.53 mi (1,800.10 km) |
| Romilly-sur-Seine to Mezdra | 1,026.81 mi (1,652.49 km) |
| Romilly-sur-Seine to Momchilgrad | 1,158.64 mi (1,864.65 km) |
