| Rancho Cucamonga to Klaukkala | 5,566.53 mi (8,958.47 km) |
| Rancho Cucamonga to Kokkola | 5,336.00 mi (8,587.46 km) |
| Rancho Cucamonga to Kontiolahti | 5,503.48 mi (8,857.00 km) |
| Rancho Cucamonga to Korsholm | 5,353.42 mi (8,615.50 km) |
| Rancho Cucamonga to Kotka | 5,598.84 mi (9,010.46 km) |
| Rancho Cucamonga to Kouvola | 5,570.71 mi (8,965.19 km) |
| Rancho Cucamonga to Kuhmo | 5,415.27 mi (8,715.04 km) |
| Rancho Cucamonga to Kuopio | 5,463.80 mi (8,793.14 km) |
| Rancho Cucamonga to Kurikka | 5,394.55 mi (8,681.69 km) |
| Rancho Cucamonga to Kuusamo | 5,297.97 mi (8,526.27 km) |
| Rancho Cucamonga to Kuusankoski | 5,566.96 mi (8,959.15 km) |
| Rancho Cucamonga to Lahti | 5,546.23 mi (8,925.79 km) |
| Rancho Cucamonga to Laitila | 5,482.30 mi (8,822.90 km) |
| Rancho Cucamonga to Lapinlahti | 5,430.66 mi (8,739.81 km) |
| Rancho Cucamonga to Lappeenranta | 5,582.53 mi (8,984.22 km) |
