| Niort to Karis | 1,363.44 mi (2,194.25 km) |
| Niort to Karkkila | 1,396.87 mi (2,248.04 km) |
| Niort to Kauhajoki | 1,422.61 mi (2,289.48 km) |
| Niort to Kauhava | 1,474.02 mi (2,372.20 km) |
| Niort to Kauniainen | 1,399.90 mi (2,252.93 km) |
| Niort to Kemi | 1,629.00 mi (2,621.62 km) |
| Niort to Kemijarvi | 1,733.73 mi (2,790.17 km) |
| Niort to Kempele | 1,611.55 mi (2,593.53 km) |
| Niort to Kerava | 1,417.25 mi (2,280.84 km) |
| Niort to Keuruu | 1,478.47 mi (2,379.37 km) |
| Niort to Kiiminki | 1,627.34 mi (2,618.94 km) |
| Niort to Kirkkonummi | 1,387.01 mi (2,232.18 km) |
| Niort to Kitee | 1,620.72 mi (2,608.30 km) |
| Niort to Kiuruvesi | 1,583.72 mi (2,548.74 km) |
| Niort to Kivisto | 1,407.07 mi (2,264.46 km) |
