| Middlesbrough to Kaneohe (Hawaii) | 7,006.07 mi (11,275.19 km) |
| Middlesbrough to Kankakee (Illinois) | 3,858.70 mi (6,209.98 km) |
| Middlesbrough to Kannapolis (North Carolina) | 3,866.70 mi (6,222.86 km) |
| Middlesbrough to Kansas City (Kansas) | 4,206.26 mi (6,769.31 km) |
| Middlesbrough to Kansas City (Missouri) | 4,199.48 mi (6,758.42 km) |
| Middlesbrough to Kapaa (Hawaii) | 6,982.82 mi (11,237.77 km) |
| Middlesbrough to Kapolei (Hawaii) | 7,014.70 mi (11,289.07 km) |
| Middlesbrough to Katy (Texas) | 4,741.30 mi (7,630.39 km) |
| Middlesbrough to Kaukauna (Wisconsin) | 3,718.16 mi (5,983.80 km) |
| Middlesbrough to Kaysville (Utah) | 4,674.00 mi (7,522.08 km) |
| Middlesbrough to Kearney (Missouri) | 4,180.64 mi (6,728.09 km) |
| Middlesbrough to Kearney (Nebraska) | 4,275.12 mi (6,880.14 km) |
| Middlesbrough to Kearns (Utah) | 4,697.08 mi (7,559.22 km) |
| Middlesbrough to Kearny (New Jersey) | 3,358.65 mi (5,405.22 km) |
| Middlesbrough to Keene (New Hampshire) | 3,187.95 mi (5,130.51 km) |
