| Ridderkerk to Klaukkala | 967.25 mi (1,556.63 km) |
| Ridderkerk to Kokkola | 1,063.43 mi (1,711.43 km) |
| Ridderkerk to Kontiolahti | 1,192.66 mi (1,919.40 km) |
| Ridderkerk to Korsholm | 996.48 mi (1,603.69 km) |
| Ridderkerk to Kotka | 1,036.68 mi (1,668.37 km) |
| Ridderkerk to Kouvola | 1,041.52 mi (1,676.17 km) |
| Ridderkerk to Kuhmo | 1,230.01 mi (1,979.52 km) |
| Ridderkerk to Kuopio | 1,137.20 mi (1,830.14 km) |
| Ridderkerk to Kurikka | 990.61 mi (1,594.24 km) |
| Ridderkerk to Kuusamo | 1,293.69 mi (2,082.00 km) |
| Ridderkerk to Kuusankoski | 1,040.36 mi (1,674.30 km) |
| Ridderkerk to Lahti | 1,013.92 mi (1,631.75 km) |
| Ridderkerk to Laitila | 898.39 mi (1,445.81 km) |
| Ridderkerk to Lapinlahti | 1,146.89 mi (1,845.74 km) |
| Ridderkerk to Lappeenranta | 1,092.15 mi (1,757.64 km) |
