| Southborough to Kidricevo | 777.71 mi (1,251.60 km) |
| Southborough to Kobarid | 694.06 mi (1,116.98 km) |
| Southborough to Kobilje | 792.82 mi (1,275.92 km) |
| Southborough to Kocevje | 768.41 mi (1,236.63 km) |
| Southborough to Komen | 717.89 mi (1,155.34 km) |
| Southborough to Komenda | 733.84 mi (1,181.00 km) |
| Southborough to Koper | 728.12 mi (1,171.80 km) |
| Southborough to Kostanjevica na Krki | 783.06 mi (1,260.21 km) |
| Southborough to Kostel | 775.75 mi (1,248.46 km) |
| Southborough to Kozje | 779.93 mi (1,255.18 km) |
| Southborough to Kranj | 725.96 mi (1,168.31 km) |
| Southborough to Kranjska Gora | 693.29 mi (1,115.74 km) |
| Southborough to Krizevci | 786.32 mi (1,265.45 km) |
| Southborough to Krsko | 781.49 mi (1,257.69 km) |
| Southborough to Kuzma | 774.90 mi (1,247.09 km) |
