| Peterborough to Karis | 1,043.93 mi (1,680.04 km) |
| Peterborough to Karkkila | 1,072.49 mi (1,726.00 km) |
| Peterborough to Kauhajoki | 1,066.11 mi (1,715.74 km) |
| Peterborough to Kauhava | 1,113.35 mi (1,791.76 km) |
| Peterborough to Kauniainen | 1,082.05 mi (1,741.39 km) |
| Peterborough to Kemi | 1,248.72 mi (2,009.62 km) |
| Peterborough to Kemijarvi | 1,352.79 mi (2,177.10 km) |
| Peterborough to Kempele | 1,240.68 mi (1,996.68 km) |
| Peterborough to Kerava | 1,097.92 mi (1,766.93 km) |
| Peterborough to Keuruu | 1,132.88 mi (1,823.19 km) |
| Peterborough to Kiiminki | 1,255.23 mi (2,020.10 km) |
| Peterborough to Kirkkonummi | 1,069.56 mi (1,721.28 km) |
| Peterborough to Kitee | 1,292.68 mi (2,080.37 km) |
| Peterborough to Kiuruvesi | 1,228.24 mi (1,976.67 km) |
| Peterborough to Kivisto | 1,088.00 mi (1,750.97 km) |
