| Porvoo to Juprelle | 1,025.10 mi (1,649.74 km) |
| Porvoo to Jurbise | 1,081.57 mi (1,740.61 km) |
| Porvoo to Kalmthout | 1,022.99 mi (1,646.34 km) |
| Porvoo to Kampenhout | 1,042.57 mi (1,677.85 km) |
| Porvoo to Kapelle-op-den-Bos | 1,044.24 mi (1,680.54 km) |
| Porvoo to Kapellen | 1,027.29 mi (1,653.26 km) |
| Porvoo to Kasterlee | 1,015.13 mi (1,633.70 km) |
| Porvoo to Keerbergen | 1,037.03 mi (1,668.94 km) |
| Porvoo to Kinrooi | 997.09 mi (1,604.66 km) |
| Porvoo to Knokke-Heist | 1,060.91 mi (1,707.37 km) |
| Porvoo to Koekelare | 1,082.55 mi (1,742.19 km) |
| Porvoo to Koekelberg | 1,052.78 mi (1,694.28 km) |
| Porvoo to Koksijde | 1,092.22 mi (1,757.76 km) |
| Porvoo to Kontich | 1,035.91 mi (1,667.13 km) |
| Porvoo to Kortemark | 1,083.63 mi (1,743.93 km) |
