| Mattoon to Kidricevo | 4,886.02 mi (7,863.28 km) |
| Mattoon to Kobarid | 4,807.96 mi (7,737.66 km) |
| Mattoon to Kobilje | 4,896.74 mi (7,880.55 km) |
| Mattoon to Kocevje | 4,882.23 mi (7,857.19 km) |
| Mattoon to Komen | 4,832.28 mi (7,776.81 km) |
| Mattoon to Komenda | 4,846.45 mi (7,799.60 km) |
| Mattoon to Koper | 4,842.56 mi (7,793.34 km) |
| Mattoon to Kostanjevica na Krki | 4,895.38 mi (7,878.35 km) |
| Mattoon to Kostel | 4,889.79 mi (7,869.35 km) |
| Mattoon to Kozje | 4,890.92 mi (7,871.17 km) |
| Mattoon to Kranj | 4,838.78 mi (7,787.26 km) |
| Mattoon to Kranjska Gora | 4,806.20 mi (7,734.84 km) |
| Mattoon to Krizevci | 4,892.26 mi (7,873.34 km) |
| Mattoon to Krsko | 4,893.25 mi (7,874.92 km) |
| Mattoon to Kuzma | 4,878.74 mi (7,851.57 km) |
