| Westbrook to Kluczbork | 3,921.96 mi (6,311.79 km) |
| Westbrook to Knurow | 3,966.51 mi (6,383.49 km) |
| Westbrook to Kobylka | 3,984.30 mi (6,412.11 km) |
| Westbrook to Kokoszki | 3,817.98 mi (6,144.44 km) |
| Westbrook to Kolbuszowa | 4,081.17 mi (6,568.01 km) |
| Westbrook to Kolno | 3,972.03 mi (6,392.36 km) |
| Westbrook to Kolo | 3,895.44 mi (6,269.10 km) |
| Westbrook to Kolobrzeg | 3,719.36 mi (5,985.73 km) |
| Westbrook to Koluszki | 3,953.99 mi (6,363.34 km) |
| Westbrook to Komorniki | 3,821.76 mi (6,150.53 km) |
| Westbrook to Konin | 3,881.38 mi (6,246.47 km) |
| Westbrook to Konskie | 3,996.32 mi (6,431.46 km) |
| Westbrook to Konstancin-Jeziorna | 3,990.24 mi (6,421.68 km) |
| Westbrook to Konstantynow Lodzki | 3,936.80 mi (6,335.67 km) |
| Westbrook to Koronowo | 3,832.23 mi (6,167.37 km) |
