| Southborough to Kelkheim (Taunus) | 365.25 mi (587.81 km) |
| Southborough to Kelsterbach | 370.07 mi (595.56 km) |
| Southborough to Kemberg | 533.40 mi (858.42 km) |
| Southborough to Kempen | 266.38 mi (428.70 km) |
| Southborough to Kempten | 509.23 mi (819.53 km) |
| Southborough to Kenzingen | 392.90 mi (632.32 km) |
| Southborough to Kerpen | 280.15 mi (450.86 km) |
| Southborough to Ketsch | 385.42 mi (620.27 km) |
| Southborough to Kevelaer | 259.72 mi (417.98 km) |
| Southborough to Kiel | 466.73 mi (751.13 km) |
| Southborough to Kierspe | 316.35 mi (509.12 km) |
| Southborough to Kirchhain | 376.81 mi (606.41 km) |
| Southborough to Kirchheim bei Munchen | 552.89 mi (889.78 km) |
| Southborough to Kirchheim unter Teck | 443.69 mi (714.06 km) |
| Southborough to Kirchhundem | 338.86 mi (545.34 km) |
