| River Forest to Kidbrooke | 3,961.35 mi (6,375.18 km) |
| River Forest to Kidderminster | 3,845.89 mi (6,189.36 km) |
| River Forest to Kidlington | 3,899.69 mi (6,275.95 km) |
| River Forest to Kidsgrove | 3,824.93 mi (6,155.62 km) |
| River Forest to Killamarsh | 3,852.80 mi (6,200.49 km) |
| River Forest to Killingworth | 3,793.17 mi (6,104.52 km) |
| River Forest to Kilmarnock | 3,671.25 mi (5,908.31 km) |
| River Forest to Kilsyth | 3,677.14 mi (5,917.79 km) |
| River Forest to Kilwinning | 3,662.62 mi (5,894.42 km) |
| River Forest to King's Lynn | 3,933.84 mi (6,330.91 km) |
| River Forest to Kings Norton | 3,857.50 mi (6,208.05 km) |
| River Forest to Kingsnorth | 4,004.36 mi (6,444.40 km) |
| River Forest to Kingsteignton | 3,849.98 mi (6,195.95 km) |
| River Forest to Kingston upon Hull | 3,875.96 mi (6,237.76 km) |
| River Forest to Kingston upon Thames | 3,950.57 mi (6,357.83 km) |
