| Opelousas to Kingsville (Texas) | 406.54 mi (654.26 km) |
| Opelousas to Kinston (North Carolina) | 901.13 mi (1,450.23 km) |
| Opelousas to Kirkland (Washington) | 1,983.19 mi (3,191.64 km) |
| Opelousas to Kirksville (Missouri) | 668.94 mi (1,076.56 km) |
| Opelousas to Kirkwood (Missouri) | 564.39 mi (908.30 km) |
| Opelousas to Kiryas Joel (New York) | 1,245.97 mi (2,005.19 km) |
| Opelousas to Kissimmee (Florida) | 659.67 mi (1,061.63 km) |
| Opelousas to Klamath Falls (Oregon) | 1,826.19 mi (2,938.97 km) |
| Opelousas to Knightdale (North Carolina) | 864.86 mi (1,391.86 km) |
| Opelousas to Knik-Fairview (Alaska) | 3,328.22 mi (5,356.25 km) |
| Opelousas to Knoxville (Tennessee) | 601.49 mi (968.01 km) |
| Opelousas to Kokomo (Indiana) | 763.54 mi (1,228.80 km) |
| Opelousas to Kuna (Idaho) | 1,603.39 mi (2,580.40 km) |
| Opelousas to Kyle (Texas) | 348.26 mi (560.47 km) |
| Opelousas to La Cañada Flintridge (California) | 1,541.00 mi (2,479.99 km) |
