| Tonawanda to Karditsa | 4,900.63 mi (7,886.80 km) |
| Tonawanda to Kastoria | 4,823.02 mi (7,761.90 km) |
| Tonawanda to Katerini | 4,883.72 mi (7,859.59 km) |
| Tonawanda to Keratsini | 5,033.32 mi (8,100.35 km) |
| Tonawanda to Kerkyra | 4,807.75 mi (7,737.33 km) |
| Tonawanda to Kiato | 4,995.93 mi (8,040.17 km) |
| Tonawanda to Kifisia | 5,036.09 mi (8,104.80 km) |
| Tonawanda to Kilkis | 4,866.13 mi (7,831.28 km) |
| Tonawanda to Komotini | 4,960.88 mi (7,983.76 km) |
| Tonawanda to Korinthos | 5,006.47 mi (8,057.14 km) |
| Tonawanda to Koropi | 5,046.82 mi (8,122.08 km) |
| Tonawanda to Korydallos | 5,033.91 mi (8,101.30 km) |
| Tonawanda to Kos | 5,231.63 mi (8,419.50 km) |
| Tonawanda to Kozani | 4,853.46 mi (7,810.89 km) |
| Tonawanda to Lagos | 4,947.17 mi (7,961.70 km) |
