| Wallingford Center to Krosno Odrzanskie | 3,966.68 mi (6,383.75 km) |
| Wallingford Center to Krotoszyn | 4,065.91 mi (6,543.46 km) |
| Wallingford Center to Kruszwica | 4,066.00 mi (6,543.60 km) |
| Wallingford Center to Krynica | 4,278.72 mi (6,885.93 km) |
| Wallingford Center to Krzeszowice | 4,202.38 mi (6,763.08 km) |
| Wallingford Center to Kudowa-Zdroj | 4,061.98 mi (6,537.12 km) |
| Wallingford Center to Kutno | 4,119.11 mi (6,629.06 km) |
| Wallingford Center to Kwidzyn | 4,052.60 mi (6,522.04 km) |
| Wallingford Center to Lancut | 4,302.82 mi (6,924.72 km) |
| Wallingford Center to Lapy | 4,219.64 mi (6,790.85 km) |
| Wallingford Center to Lask | 4,132.58 mi (6,650.75 km) |
| Wallingford Center to Laziska Gorne | 4,171.97 mi (6,714.14 km) |
| Wallingford Center to Lebork | 3,983.96 mi (6,411.56 km) |
| Wallingford Center to Leczna | 4,281.17 mi (6,889.88 km) |
| Wallingford Center to Leczyca | 4,119.25 mi (6,629.30 km) |
