| North Tonawanda to Karlovo | 4,864.67 mi (7,828.92 km) |
| North Tonawanda to Karnobat | 4,947.80 mi (7,962.71 km) |
| North Tonawanda to Kavarna | 4,960.81 mi (7,983.64 km) |
| North Tonawanda to Kazanlak | 4,888.55 mi (7,867.36 km) |
| North Tonawanda to Knezha | 4,798.35 mi (7,722.20 km) |
| North Tonawanda to Kostinbrod | 4,795.64 mi (7,717.83 km) |
| North Tonawanda to Kozloduy | 4,772.34 mi (7,680.34 km) |
| North Tonawanda to Kyustendil | 4,798.67 mi (7,722.72 km) |
| North Tonawanda to Levski | 4,844.26 mi (7,796.09 km) |
| North Tonawanda to Lom | 4,751.54 mi (7,646.87 km) |
| North Tonawanda to Lovech | 4,838.97 mi (7,787.57 km) |
| North Tonawanda to Lukovit | 4,815.01 mi (7,749.01 km) |
| North Tonawanda to Lyaskovets | 4,878.49 mi (7,851.18 km) |
| North Tonawanda to Mezdra | 4,799.37 mi (7,723.84 km) |
| North Tonawanda to Momchilgrad | 4,938.83 mi (7,948.28 km) |
