| Houghton Regis to Kavak | 1,868.68 mi (3,007.35 km) |
| Houghton Regis to Kayapinar | 2,176.15 mi (3,502.18 km) |
| Houghton Regis to Kayseri | 1,945.43 mi (3,130.87 km) |
| Houghton Regis to Kemalpasa | 1,632.95 mi (2,627.97 km) |
| Houghton Regis to Kemer | 1,844.03 mi (2,967.68 km) |
| Houghton Regis to Keskin | 1,826.20 mi (2,938.99 km) |
| Houghton Regis to Kilimli | 1,675.78 mi (2,696.90 km) |
| Houghton Regis to Kilis | 2,103.45 mi (3,385.17 km) |
| Houghton Regis to Kinik | 1,599.83 mi (2,574.68 km) |
| Houghton Regis to Kirikkale | 1,814.77 mi (2,920.59 km) |
| Houghton Regis to Kirkagac | 1,610.93 mi (2,592.54 km) |
| Houghton Regis to Kirklareli | 1,475.54 mi (2,374.65 km) |
| Houghton Regis to Kirsehir | 1,871.88 mi (3,012.50 km) |
| Houghton Regis to Kizilpinar | 1,525.68 mi (2,455.35 km) |
| Houghton Regis to Kiziltepe | 2,225.92 mi (3,582.27 km) |
