| Romans-sur-Isere to Karlovo | 995.75 mi (1,602.51 km) |
| Romans-sur-Isere to Karnobat | 1,102.13 mi (1,773.71 km) |
| Romans-sur-Isere to Kavarna | 1,153.81 mi (1,856.87 km) |
| Romans-sur-Isere to Kazanlak | 1,025.19 mi (1,649.88 km) |
| Romans-sur-Isere to Knezha | 945.36 mi (1,521.41 km) |
| Romans-sur-Isere to Kostinbrod | 914.89 mi (1,472.37 km) |
| Romans-sur-Isere to Kozloduy | 924.04 mi (1,487.09 km) |
| Romans-sur-Isere to Kyustendil | 899.76 mi (1,448.02 km) |
| Romans-sur-Isere to Levski | 998.75 mi (1,607.33 km) |
| Romans-sur-Isere to Lom | 899.24 mi (1,447.19 km) |
| Romans-sur-Isere to Lovech | 982.33 mi (1,580.91 km) |
| Romans-sur-Isere to Lukovit | 954.34 mi (1,535.86 km) |
| Romans-sur-Isere to Lyaskovets | 1,031.72 mi (1,660.40 km) |
| Romans-sur-Isere to Mezdra | 932.42 mi (1,500.58 km) |
| Romans-sur-Isere to Momchilgrad | 1,049.53 mi (1,689.05 km) |
