| Upminster to Kecskemet | 930.61 mi (1,497.68 km) |
| Upminster to Kerepestarcsa | 893.07 mi (1,437.27 km) |
| Upminster to Keszthely | 833.60 mi (1,341.55 km) |
| Upminster to Kiskoros | 922.91 mi (1,485.28 km) |
| Upminster to Kiskunfelegyhaza | 943.77 mi (1,518.85 km) |
| Upminster to Kiskunhalas | 937.72 mi (1,509.11 km) |
| Upminster to Kiskunlachaza | 893.17 mi (1,437.42 km) |
| Upminster to Kiskunmajsa | 946.04 mi (1,522.50 km) |
| Upminster to Kisujszallas | 966.42 mi (1,555.31 km) |
| Upminster to Kisvarda | 994.85 mi (1,601.06 km) |
| Upminster to Komarom | 839.40 mi (1,350.89 km) |
| Upminster to Komlo | 895.38 mi (1,440.97 km) |
| Upminster to Kormend | 798.99 mi (1,285.85 km) |
| Upminster to Koszeg | 784.60 mi (1,262.69 km) |
| Upminster to Lajosmizse | 921.29 mi (1,482.67 km) |
