| Boppard to Klaukkala | 967.61 mi (1,557.22 km) |
| Boppard to Kokkola | 1,100.26 mi (1,770.70 km) |
| Boppard to Kontiolahti | 1,200.80 mi (1,932.49 km) |
| Boppard to Korsholm | 1,033.20 mi (1,662.77 km) |
| Boppard to Kotka | 1,031.08 mi (1,659.36 km) |
| Boppard to Kouvola | 1,040.61 mi (1,674.71 km) |
| Boppard to Kuhmo | 1,250.15 mi (2,011.91 km) |
| Boppard to Kuopio | 1,152.07 mi (1,854.07 km) |
| Boppard to Kurikka | 1,020.55 mi (1,642.42 km) |
| Boppard to Kuusamo | 1,328.20 mi (2,137.54 km) |
| Boppard to Kuusankoski | 1,040.08 mi (1,673.85 km) |
| Boppard to Lahti | 1,017.38 mi (1,637.31 km) |
| Boppard to Laitila | 915.50 mi (1,473.36 km) |
| Boppard to Lapinlahti | 1,166.56 mi (1,877.39 km) |
| Boppard to Lappeenranta | 1,089.06 mi (1,752.67 km) |
