| Webster Groves to Krosno Odrzanskie | 4,745.39 mi (7,636.97 km) |
| Webster Groves to Krotoszyn | 4,839.58 mi (7,788.55 km) |
| Webster Groves to Kruszwica | 4,827.49 mi (7,769.10 km) |
| Webster Groves to Krynica | 5,058.49 mi (8,140.86 km) |
| Webster Groves to Krzeszowice | 4,981.27 mi (8,016.58 km) |
| Webster Groves to Kudowa-Zdroj | 4,850.70 mi (7,806.45 km) |
| Webster Groves to Kutno | 4,880.78 mi (7,854.86 km) |
| Webster Groves to Kwidzyn | 4,802.10 mi (7,728.23 km) |
| Webster Groves to Lancut | 5,072.12 mi (8,162.79 km) |
| Webster Groves to Lapy | 4,960.95 mi (7,983.87 km) |
| Webster Groves to Lask | 4,900.84 mi (7,887.13 km) |
| Webster Groves to Laziska Gorne | 4,953.67 mi (7,972.16 km) |
| Webster Groves to Lebork | 4,729.94 mi (7,612.10 km) |
| Webster Groves to Leczna | 5,037.38 mi (8,106.88 km) |
| Webster Groves to Leczyca | 4,883.19 mi (7,858.73 km) |
