| Northampton to Kidbrooke | 66.06 mi (106.31 km) |
| Northampton to Kidderminster | 58.28 mi (93.79 km) |
| Northampton to Kidlington | 32.82 mi (52.83 km) |
| Northampton to Kidsgrove | 82.01 mi (131.98 km) |
| Northampton to Killamarsh | 77.32 mi (124.43 km) |
| Northampton to Killingworth | 195.45 mi (314.54 km) |
| Northampton to Kilmarnock | 275.67 mi (443.65 km) |
| Northampton to Kilsyth | 289.01 mi (465.12 km) |
| Northampton to Kilwinning | 282.72 mi (455.00 km) |
| Northampton to King's Lynn | 65.28 mi (105.06 km) |
| Northampton to Kings Norton | 45.32 mi (72.94 km) |
| Northampton to Kingsnorth | 107.54 mi (173.07 km) |
| Northampton to Kingsteignton | 164.67 mi (265.02 km) |
| Northampton to Kingston upon Hull | 107.18 mi (172.49 km) |
| Northampton to Kingston upon Thames | 62.09 mi (99.92 km) |
