| South Portland to Kothen | 3,657.84 mi (5,886.72 km) |
| South Portland to Kranenburg | 3,426.44 mi (5,514.33 km) |
| South Portland to Krefeld | 3,460.85 mi (5,569.70 km) |
| South Portland to Kressbronn am Bodensee | 3,694.67 mi (5,946.00 km) |
| South Portland to Kreuzau | 3,473.94 mi (5,590.76 km) |
| South Portland to Kreuztal | 3,526.59 mi (5,675.50 km) |
| South Portland to Kriftel | 3,572.12 mi (5,748.77 km) |
| South Portland to Kronach | 3,681.20 mi (5,924.32 km) |
| South Portland to Kronberg | 3,570.50 mi (5,746.16 km) |
| South Portland to Kronshagen | 3,514.38 mi (5,655.86 km) |
| South Portland to Krumbach | 3,705.27 mi (5,963.06 km) |
| South Portland to Kulmbach | 3,689.75 mi (5,938.07 km) |
| South Portland to Kummersbruck | 3,729.19 mi (6,001.56 km) |
| South Portland to Kunzell | 3,608.08 mi (5,806.65 km) |
| South Portland to Kunzelsau | 3,645.15 mi (5,866.30 km) |
