| Potomac to Klaukkala | 4,291.31 mi (6,906.20 km) |
| Potomac to Kokkola | 4,129.16 mi (6,645.23 km) |
| Potomac to Kontiolahti | 4,346.12 mi (6,994.40 km) |
| Potomac to Korsholm | 4,112.31 mi (6,618.12 km) |
| Potomac to Kotka | 4,352.03 mi (7,003.92 km) |
| Potomac to Kouvola | 4,330.49 mi (6,969.26 km) |
| Potomac to Kuhmo | 4,286.35 mi (6,898.21 km) |
| Potomac to Kuopio | 4,283.71 mi (6,893.96 km) |
| Potomac to Kurikka | 4,148.29 mi (6,676.02 km) |
| Potomac to Kuusamo | 4,210.60 mi (6,776.31 km) |
| Potomac to Kuusankoski | 4,326.73 mi (6,963.19 km) |
| Potomac to Lahti | 4,296.15 mi (6,913.99 km) |
| Potomac to Laitila | 4,184.32 mi (6,734.01 km) |
| Potomac to Lapinlahti | 4,258.73 mi (6,853.76 km) |
| Potomac to Lappeenranta | 4,365.01 mi (7,024.81 km) |
