| Rheinfelden to Juprelle | 241.58 mi (388.78 km) |
| Rheinfelden to Jurbise | 270.40 mi (435.17 km) |
| Rheinfelden to Kalmthout | 304.15 mi (489.48 km) |
| Rheinfelden to Kampenhout | 276.34 mi (444.73 km) |
| Rheinfelden to Kapelle-op-den-Bos | 285.09 mi (458.81 km) |
| Rheinfelden to Kapellen | 300.95 mi (484.33 km) |
| Rheinfelden to Kasterlee | 285.91 mi (460.13 km) |
| Rheinfelden to Keerbergen | 278.02 mi (447.43 km) |
| Rheinfelden to Kinrooi | 265.10 mi (426.64 km) |
| Rheinfelden to Knokke-Heist | 331.12 mi (532.88 km) |
| Rheinfelden to Koekelare | 326.91 mi (526.11 km) |
| Rheinfelden to Koekelberg | 277.42 mi (446.47 km) |
| Rheinfelden to Koksijde | 337.40 mi (543.00 km) |
| Rheinfelden to Kontich | 289.83 mi (466.43 km) |
| Rheinfelden to Kortemark | 321.89 mi (518.03 km) |
