| South Portland to Kirchlengern | 3,518.00 mi (5,661.67 km) |
| South Portland to Kirchlinteln | 3,523.70 mi (5,670.85 km) |
| South Portland to Kirchseeon | 3,772.85 mi (6,071.82 km) |
| South Portland to Kirchzarten | 3,614.78 mi (5,817.42 km) |
| South Portland to Kirkel | 3,545.73 mi (5,706.30 km) |
| South Portland to Kissing | 3,728.78 mi (6,000.90 km) |
| South Portland to Kisslegg | 3,700.18 mi (5,954.87 km) |
| South Portland to Kitzingen | 3,650.73 mi (5,875.28 km) |
| South Portland to Kleinblittersdorf | 3,541.42 mi (5,699.36 km) |
| South Portland to Kleve | 3,431.68 mi (5,522.75 km) |
| South Portland to Klipphausen | 3,740.76 mi (6,020.18 km) |
| South Portland to Klotze | 3,602.90 mi (5,798.31 km) |
| South Portland to Koblenz | 3,529.23 mi (5,679.74 km) |
| South Portland to Kolbermoor | 3,787.56 mi (6,095.48 km) |
| South Portland to Kolkwitz | 3,746.85 mi (6,029.97 km) |
