| Middletown to Kingsville (Texas) | 1,133.68 mi (1,824.48 km) |
| Middletown to Kinston (North Carolina) | 472.58 mi (760.55 km) |
| Middletown to Kirkland (Washington) | 1,954.36 mi (3,145.24 km) |
| Middletown to Kirksville (Missouri) | 437.93 mi (704.79 km) |
| Middletown to Kirkwood (Missouri) | 331.06 mi (532.78 km) |
| Middletown to Kiryas Joel (New York) | 550.94 mi (886.65 km) |
| Middletown to Kissimmee (Florida) | 791.92 mi (1,274.47 km) |
| Middletown to Klamath Falls (Oregon) | 1,948.10 mi (3,135.16 km) |
| Middletown to Knightdale (North Carolina) | 410.80 mi (661.11 km) |
| Middletown to Knik-Fairview (Alaska) | 3,075.38 mi (4,949.34 km) |
| Middletown to Knoxville (Tennessee) | 245.24 mi (394.67 km) |
| Middletown to Kokomo (Indiana) | 114.48 mi (184.23 km) |
| Middletown to Kuna (Idaho) | 1,669.57 mi (2,686.91 km) |
| Middletown to Kyle (Texas) | 1,008.28 mi (1,622.67 km) |
| Middletown to La Cañada Flintridge (California) | 1,894.36 mi (3,048.68 km) |
