| River Falls to Kidbrooke | 4,000.88 mi (6,438.79 km) |
| River Falls to Kidderminster | 3,884.70 mi (6,251.81 km) |
| River Falls to Kidlington | 3,939.86 mi (6,340.60 km) |
| River Falls to Kidsgrove | 3,859.66 mi (6,211.52 km) |
| River Falls to Killamarsh | 3,884.40 mi (6,251.34 km) |
| River Falls to Killingworth | 3,815.15 mi (6,139.88 km) |
| River Falls to Kilmarnock | 3,694.76 mi (5,946.15 km) |
| River Falls to Kilsyth | 3,697.64 mi (5,950.78 km) |
| River Falls to Kilwinning | 3,686.20 mi (5,932.37 km) |
| River Falls to King's Lynn | 3,965.36 mi (6,381.63 km) |
| River Falls to Kings Norton | 3,895.58 mi (6,269.33 km) |
| River Falls to Kingsnorth | 4,044.06 mi (6,508.29 km) |
| River Falls to Kingsteignton | 3,902.09 mi (6,279.81 km) |
| River Falls to Kingston upon Hull | 3,903.24 mi (6,281.65 km) |
| River Falls to Kingston upon Thames | 3,991.06 mi (6,423.00 km) |
