| Peterborough to Klaukkala | 1,086.16 mi (1,748.01 km) |
| Peterborough to Kokkola | 1,141.32 mi (1,836.77 km) |
| Peterborough to Kontiolahti | 1,298.12 mi (2,089.12 km) |
| Peterborough to Korsholm | 1,076.65 mi (1,732.70 km) |
| Peterborough to Kotka | 1,159.30 mi (1,865.71 km) |
| Peterborough to Kouvola | 1,159.57 mi (1,866.14 km) |
| Peterborough to Kuhmo | 1,322.10 mi (2,127.71 km) |
| Peterborough to Kuopio | 1,237.01 mi (1,990.78 km) |
| Peterborough to Kurikka | 1,078.52 mi (1,735.71 km) |
| Peterborough to Kuusamo | 1,368.41 mi (2,202.24 km) |
| Peterborough to Kuusankoski | 1,157.82 mi (1,863.34 km) |
| Peterborough to Lahti | 1,128.49 mi (1,816.13 km) |
| Peterborough to Laitila | 1,003.11 mi (1,614.35 km) |
| Peterborough to Lapinlahti | 1,241.40 mi (1,997.84 km) |
| Peterborough to Lappeenranta | 1,211.01 mi (1,948.93 km) |
