| Richmond Heights to Karlovo | 5,033.64 mi (8,100.86 km) |
| Richmond Heights to Karnobat | 5,116.50 mi (8,234.22 km) |
| Richmond Heights to Kavarna | 5,129.11 mi (8,254.50 km) |
| Richmond Heights to Kazanlak | 5,057.47 mi (8,139.20 km) |
| Richmond Heights to Knezha | 4,967.26 mi (7,994.03 km) |
| Richmond Heights to Kostinbrod | 4,964.75 mi (7,989.99 km) |
| Richmond Heights to Kozloduy | 4,941.23 mi (7,952.15 km) |
| Richmond Heights to Kyustendil | 4,967.90 mi (7,995.06 km) |
| Richmond Heights to Levski | 5,013.07 mi (8,067.75 km) |
| Richmond Heights to Lom | 4,920.48 mi (7,918.75 km) |
| Richmond Heights to Lovech | 5,007.87 mi (8,059.38 km) |
| Richmond Heights to Lukovit | 4,983.96 mi (8,020.91 km) |
| Richmond Heights to Lyaskovets | 5,047.28 mi (8,122.81 km) |
| Richmond Heights to Mezdra | 4,968.38 mi (7,995.83 km) |
| Richmond Heights to Momchilgrad | 5,107.92 mi (8,220.40 km) |
