| Frosinone to Juprelle | 729.65 mi (1,174.26 km) |
| Frosinone to Jurbise | 761.46 mi (1,225.45 km) |
| Frosinone to Kalmthout | 793.86 mi (1,277.59 km) |
| Frosinone to Kampenhout | 767.02 mi (1,234.39 km) |
| Frosinone to Kapelle-op-den-Bos | 775.94 mi (1,248.76 km) |
| Frosinone to Kapellen | 790.95 mi (1,272.91 km) |
| Frosinone to Kasterlee | 774.38 mi (1,246.25 km) |
| Frosinone to Keerbergen | 768.37 mi (1,236.57 km) |
| Frosinone to Kinrooi | 749.68 mi (1,206.50 km) |
| Frosinone to Knokke-Heist | 822.44 mi (1,323.59 km) |
| Frosinone to Koekelare | 817.75 mi (1,316.04 km) |
| Frosinone to Koekelberg | 768.56 mi (1,236.87 km) |
| Frosinone to Koksijde | 827.73 mi (1,332.10 km) |
| Frosinone to Kontich | 780.27 mi (1,255.72 km) |
| Frosinone to Kortemark | 812.69 mi (1,307.90 km) |
