| Isernia to Karis | 1,337.50 mi (2,152.49 km) |
| Isernia to Karkkila | 1,374.24 mi (2,211.62 km) |
| Isernia to Kauhajoki | 1,475.64 mi (2,374.82 km) |
| Isernia to Kauhava | 1,528.01 mi (2,459.10 km) |
| Isernia to Kauniainen | 1,361.04 mi (2,190.38 km) |
| Isernia to Kemi | 1,714.98 mi (2,760.00 km) |
| Isernia to Kemijarvi | 1,806.60 mi (2,907.45 km) |
| Isernia to Kempele | 1,670.64 mi (2,688.63 km) |
| Isernia to Kerava | 1,377.73 mi (2,217.24 km) |
| Isernia to Keuruu | 1,490.82 mi (2,399.25 km) |
| Isernia to Kiiminki | 1,687.67 mi (2,716.04 km) |
| Isernia to Kirkkonummi | 1,350.36 mi (2,173.19 km) |
| Isernia to Kitee | 1,560.45 mi (2,511.30 km) |
| Isernia to Kiuruvesi | 1,602.71 mi (2,579.31 km) |
| Isernia to Kivisto | 1,369.35 mi (2,203.75 km) |
