| Thornaby on Tees to Kidbrooke | 220.96 mi (355.60 km) |
| Thornaby on Tees to Kidderminster | 154.90 mi (249.29 km) |
| Thornaby on Tees to Kidlington | 189.01 mi (304.17 km) |
| Thornaby on Tees to Kidsgrove | 108.71 mi (174.95 km) |
| Thornaby on Tees to Killamarsh | 85.54 mi (137.66 km) |
| Thornaby on Tees to Killingworth | 34.22 mi (55.07 km) |
| Thornaby on Tees to Kilmarnock | 145.70 mi (234.49 km) |
| Thornaby on Tees to Kilsyth | 146.36 mi (235.55 km) |
| Thornaby on Tees to Kilwinning | 154.26 mi (248.26 km) |
| Thornaby on Tees to King's Lynn | 142.79 mi (229.81 km) |
| Thornaby on Tees to Kings Norton | 150.84 mi (242.76 km) |
| Thornaby on Tees to Kingsnorth | 254.28 mi (409.22 km) |
| Thornaby on Tees to Kingsteignton | 293.48 mi (472.31 km) |
| Thornaby on Tees to Kingston upon Hull | 68.59 mi (110.38 km) |
| Thornaby on Tees to Kingston upon Thames | 221.48 mi (356.43 km) |
