| Catonsville to Klaukkala | 4,263.56 mi (6,861.53 km) |
| Catonsville to Kokkola | 4,102.01 mi (6,601.55 km) |
| Catonsville to Kontiolahti | 4,319.12 mi (6,950.96 km) |
| Catonsville to Korsholm | 4,084.93 mi (6,574.06 km) |
| Catonsville to Kotka | 4,324.42 mi (6,959.47 km) |
| Catonsville to Kouvola | 4,302.94 mi (6,924.91 km) |
| Catonsville to Kuhmo | 4,259.62 mi (6,855.20 km) |
| Catonsville to Kuopio | 4,256.61 mi (6,850.35 km) |
| Catonsville to Kurikka | 4,120.85 mi (6,631.86 km) |
| Catonsville to Kuusamo | 4,184.28 mi (6,733.94 km) |
| Catonsville to Kuusankoski | 4,299.17 mi (6,918.85 km) |
| Catonsville to Lahti | 4,268.56 mi (6,869.58 km) |
| Catonsville to Laitila | 4,156.50 mi (6,689.24 km) |
| Catonsville to Lapinlahti | 4,231.71 mi (6,810.28 km) |
| Catonsville to Lappeenranta | 4,337.58 mi (6,980.66 km) |
