| Romford to Kinston (North Carolina) | 3,865.95 mi (6,221.65 km) |
| Romford to Kirkland (Washington) | 4,780.04 mi (7,692.74 km) |
| Romford to Kirksville (Missouri) | 4,223.58 mi (6,797.19 km) |
| Romford to Kirkwood (Missouri) | 4,220.82 mi (6,792.75 km) |
| Romford to Kiryas Joel (New York) | 3,451.56 mi (5,554.76 km) |
| Romford to Kissimmee (Florida) | 4,364.25 mi (7,023.58 km) |
| Romford to Klamath Falls (Oregon) | 5,083.11 mi (8,180.48 km) |
| Romford to Knightdale (North Carolina) | 3,878.92 mi (6,242.53 km) |
| Romford to Knik-Fairview (Alaska) | 4,448.58 mi (7,159.30 km) |
| Romford to Knoxville (Tennessee) | 4,092.38 mi (6,586.04 km) |
| Romford to Kokomo (Indiana) | 3,965.45 mi (6,381.78 km) |
| Romford to Kuna (Idaho) | 4,855.70 mi (7,814.49 km) |
| Romford to Kyle (Texas) | 4,945.10 mi (7,958.37 km) |
| Romford to La Cañada Flintridge (California) | 5,436.69 mi (8,749.51 km) |
| Romford to La Crescenta-Montrose (California) | 5,436.52 mi (8,749.24 km) |
