| Middlesbrough to Kidbrooke | 221.50 mi (356.46 km) |
| Middlesbrough to Kidderminster | 156.82 mi (252.38 km) |
| Middlesbrough to Kidlington | 190.28 mi (306.22 km) |
| Middlesbrough to Kidsgrove | 110.87 mi (178.42 km) |
| Middlesbrough to Killamarsh | 86.85 mi (139.77 km) |
| Middlesbrough to Killingworth | 33.93 mi (54.61 km) |
| Middlesbrough to Kilmarnock | 147.37 mi (237.16 km) |
| Middlesbrough to Kilsyth | 147.48 mi (237.35 km) |
| Middlesbrough to Kilwinning | 155.94 mi (250.96 km) |
| Middlesbrough to King's Lynn | 142.58 mi (229.46 km) |
| Middlesbrough to Kings Norton | 152.57 mi (245.54 km) |
| Middlesbrough to Kingsnorth | 254.47 mi (409.54 km) |
| Middlesbrough to Kingsteignton | 295.59 mi (475.70 km) |
| Middlesbrough to Kingston upon Hull | 68.13 mi (109.64 km) |
| Middlesbrough to Kingston upon Thames | 222.21 mi (357.61 km) |
