| Middlesbrough to Keizer (Oregon) | 4,759.03 mi (7,658.91 km) |
| Middlesbrough to Keller (Texas) | 4,622.66 mi (7,439.46 km) |
| Middlesbrough to Kelso (Washington) | 4,689.95 mi (7,547.75 km) |
| Middlesbrough to Kemp Mill (Maryland) | 3,551.68 mi (5,715.88 km) |
| Middlesbrough to Ken Caryl (Colorado) | 4,537.24 mi (7,301.98 km) |
| Middlesbrough to Kendale Lakes (Florida) | 4,363.51 mi (7,022.40 km) |
| Middlesbrough to Kendall (Florida) | 4,363.48 mi (7,022.35 km) |
| Middlesbrough to Kendall Park (New Jersey) | 3,391.62 mi (5,458.29 km) |
| Middlesbrough to Kendall West (Florida) | 4,364.83 mi (7,024.51 km) |
| Middlesbrough to Kenmore (New York) | 3,436.96 mi (5,531.25 km) |
| Middlesbrough to Kenmore (Washington) | 4,578.82 mi (7,368.91 km) |
| Middlesbrough to Kenner (Louisiana) | 4,519.19 mi (7,272.93 km) |
| Middlesbrough to Kennesaw (Georgia) | 4,093.52 mi (6,587.88 km) |
| Middlesbrough to Kennett (Missouri) | 4,184.66 mi (6,734.57 km) |
| Middlesbrough to Kennewick (Washington) | 4,588.56 mi (7,384.57 km) |
