| Wallingford Center to Kidricevo | 4,182.54 mi (6,731.15 km) |
| Wallingford Center to Kobarid | 4,096.39 mi (6,592.50 km) |
| Wallingford Center to Kobilje | 4,197.14 mi (6,754.64 km) |
| Wallingford Center to Kocevje | 4,170.55 mi (6,711.85 km) |
| Wallingford Center to Komen | 4,118.32 mi (6,627.79 km) |
| Wallingford Center to Komenda | 4,137.60 mi (6,658.82 km) |
| Wallingford Center to Koper | 4,126.75 mi (6,641.36 km) |
| Wallingford Center to Kostanjevica na Krki | 4,186.87 mi (6,738.12 km) |
| Wallingford Center to Kostel | 4,177.37 mi (6,722.83 km) |
| Wallingford Center to Kozje | 4,184.39 mi (6,734.12 km) |
| Wallingford Center to Kranj | 4,129.56 mi (6,645.89 km) |
| Wallingford Center to Kranjska Gora | 4,096.93 mi (6,593.37 km) |
| Wallingford Center to Krizevci | 4,190.98 mi (6,744.74 km) |
| Wallingford Center to Krsko | 4,185.63 mi (6,736.13 km) |
| Wallingford Center to Kuzma | 4,179.16 mi (6,725.71 km) |
