| Riom to Karlovo | 1,092.98 mi (1,758.99 km) |
| Riom to Karnobat | 1,197.70 mi (1,927.51 km) |
| Riom to Kavarna | 1,245.70 mi (2,004.77 km) |
| Riom to Kazanlak | 1,122.04 mi (1,805.75 km) |
| Riom to Knezha | 1,040.04 mi (1,673.78 km) |
| Riom to Kostinbrod | 1,012.81 mi (1,629.95 km) |
| Riom to Kozloduy | 1,017.84 mi (1,638.05 km) |
| Riom to Kyustendil | 999.95 mi (1,609.26 km) |
| Riom to Levski | 1,093.15 mi (1,759.26 km) |
| Riom to Lom | 993.22 mi (1,598.44 km) |
| Riom to Lovech | 1,077.91 mi (1,734.72 km) |
| Riom to Lukovit | 1,050.10 mi (1,689.97 km) |
| Riom to Lyaskovets | 1,126.67 mi (1,813.20 km) |
| Riom to Mezdra | 1,028.73 mi (1,655.58 km) |
| Riom to Momchilgrad | 1,149.68 mi (1,850.23 km) |
