| Sinnai to Karis | 1,565.80 mi (2,519.90 km) |
| Sinnai to Karkkila | 1,602.96 mi (2,579.71 km) |
| Sinnai to Kauhajoki | 1,687.87 mi (2,716.37 km) |
| Sinnai to Kauhava | 1,741.60 mi (2,802.83 km) |
| Sinnai to Kauniainen | 1,593.41 mi (2,564.35 km) |
| Sinnai to Kemi | 1,924.94 mi (3,097.89 km) |
| Sinnai to Kemijarvi | 2,022.16 mi (3,254.36 km) |
| Sinnai to Kempele | 1,886.73 mi (3,036.39 km) |
| Sinnai to Kerava | 1,610.81 mi (2,592.36 km) |
| Sinnai to Keuruu | 1,714.27 mi (2,758.85 km) |
| Sinnai to Kiiminki | 1,903.85 mi (3,063.95 km) |
| Sinnai to Kirkkonummi | 1,581.82 mi (2,545.69 km) |
| Sinnai to Kitee | 1,803.68 mi (2,902.75 km) |
| Sinnai to Kiuruvesi | 1,827.53 mi (2,941.13 km) |
| Sinnai to Kivisto | 1,601.71 mi (2,577.70 km) |
