| Llantrisant to Iver | 123.27 mi (198.39 km) |
| Llantrisant to Ivybridge | 83.13 mi (133.79 km) |
| Llantrisant to Jarrow | 250.06 mi (402.43 km) |
| Llantrisant to Johnstone | 300.15 mi (483.04 km) |
| Llantrisant to Kearsley | 143.70 mi (231.26 km) |
| Llantrisant to Keighley | 171.93 mi (276.69 km) |
| Llantrisant to Kempston | 129.08 mi (207.74 km) |
| Llantrisant to Kendal | 194.13 mi (312.43 km) |
| Llantrisant to Kenilworth | 94.78 mi (152.54 km) |
| Llantrisant to Kenley | 141.99 mi (228.51 km) |
| Llantrisant to Kensington | 136.95 mi (220.40 km) |
| Llantrisant to Kenton | 131.73 mi (212.00 km) |
| Llantrisant to Kettering | 127.28 mi (204.84 km) |
| Llantrisant to Kew Green | 135.38 mi (217.87 km) |
| Llantrisant to Keynsham | 38.82 mi (62.47 km) |
