| Mattoon to Karditsa | 5,435.67 mi (8,747.87 km) |
| Mattoon to Kastoria | 5,356.83 mi (8,620.98 km) |
| Mattoon to Katerini | 5,416.49 mi (8,717.00 km) |
| Mattoon to Keratsini | 5,568.70 mi (8,961.96 km) |
| Mattoon to Kerkyra | 5,344.58 mi (8,601.27 km) |
| Mattoon to Kiato | 5,532.24 mi (8,903.28 km) |
| Mattoon to Kifisia | 5,571.04 mi (8,965.73 km) |
| Mattoon to Kilkis | 5,397.11 mi (8,685.81 km) |
| Mattoon to Komotini | 5,488.18 mi (8,832.37 km) |
| Mattoon to Korinthos | 5,542.70 mi (8,920.11 km) |
| Mattoon to Koropi | 5,582.01 mi (8,983.38 km) |
| Mattoon to Korydallos | 5,569.23 mi (8,962.81 km) |
| Mattoon to Kos | 5,764.33 mi (9,276.80 km) |
| Mattoon to Kozani | 5,387.04 mi (8,669.60 km) |
| Mattoon to Lagos | 5,475.09 mi (8,811.31 km) |
