| Potomac to Karis | 4,270.00 mi (6,871.90 km) |
| Potomac to Karkkila | 4,270.38 mi (6,872.51 km) |
| Potomac to Kauhajoki | 4,148.02 mi (6,675.60 km) |
| Potomac to Kauhava | 4,151.19 mi (6,680.69 km) |
| Potomac to Kauniainen | 4,296.68 mi (6,914.83 km) |
| Potomac to Kemi | 4,105.08 mi (6,606.49 km) |
| Potomac to Kemijarvi | 4,142.47 mi (6,666.66 km) |
| Potomac to Kempele | 4,156.18 mi (6,688.73 km) |
| Potomac to Kerava | 4,300.96 mi (6,921.73 km) |
| Potomac to Keuruu | 4,224.88 mi (6,799.29 km) |
| Potomac to Kiiminki | 4,155.55 mi (6,687.72 km) |
| Potomac to Kirkkonummi | 4,290.84 mi (6,905.43 km) |
| Potomac to Kitee | 4,379.21 mi (7,047.65 km) |
| Potomac to Kiuruvesi | 4,228.40 mi (6,804.96 km) |
| Potomac to Kivisto | 4,296.20 mi (6,914.06 km) |
