| Opelousas to Keene (New Hampshire) | 1,385.55 mi (2,229.83 km) |
| Opelousas to Keizer (Oregon) | 1,946.26 mi (3,132.20 km) |
| Opelousas to Keller (Texas) | 345.00 mi (555.22 km) |
| Opelousas to Kelso (Washington) | 1,968.36 mi (3,167.77 km) |
| Opelousas to Kemp Mill (Maryland) | 1,035.34 mi (1,666.21 km) |
| Opelousas to Ken Caryl (Colorado) | 964.88 mi (1,552.82 km) |
| Opelousas to Kendale Lakes (Florida) | 784.80 mi (1,263.02 km) |
| Opelousas to Kendall (Florida) | 788.92 mi (1,269.64 km) |
| Opelousas to Kendall Park (New Jersey) | 1,195.79 mi (1,924.43 km) |
| Opelousas to Kendall West (Florida) | 783.15 mi (1,260.35 km) |
| Opelousas to Kenmore (New York) | 1,125.68 mi (1,811.60 km) |
| Opelousas to Kenmore (Washington) | 1,986.64 mi (3,197.19 km) |
| Opelousas to Kenner (Louisiana) | 114.65 mi (184.51 km) |
| Opelousas to Kennesaw (Georgia) | 498.41 mi (802.12 km) |
| Opelousas to Kennett (Missouri) | 411.90 mi (662.89 km) |
