| South Portland to Kecskemet | 4,127.06 mi (6,641.86 km) |
| South Portland to Kerepestarcsa | 4,086.23 mi (6,576.15 km) |
| South Portland to Keszthely | 4,034.77 mi (6,493.34 km) |
| South Portland to Kiskoros | 4,121.71 mi (6,633.26 km) |
| South Portland to Kiskunfelegyhaza | 4,141.00 mi (6,664.29 km) |
| South Portland to Kiskunhalas | 4,136.97 mi (6,657.81 km) |
| South Portland to Kiskunlachaza | 4,089.43 mi (6,581.30 km) |
| South Portland to Kiskunmajsa | 4,144.57 mi (6,670.05 km) |
| South Portland to Kisujszallas | 4,157.67 mi (6,691.13 km) |
| South Portland to Kisvarda | 4,170.45 mi (6,711.69 km) |
| South Portland to Komarom | 4,034.27 mi (6,492.53 km) |
| South Portland to Komlo | 4,096.87 mi (6,593.28 km) |
| South Portland to Kormend | 4,000.20 mi (6,437.71 km) |
| South Portland to Koszeg | 3,984.73 mi (6,412.81 km) |
| South Portland to Lajosmizse | 4,117.32 mi (6,626.18 km) |
