| Opelousas to Missouri City (Texas) | 217.06 mi (349.32 km) |
| Opelousas to Mitchell (South Dakota) | 968.77 mi (1,559.08 km) |
| Opelousas to Mitchellville (Maryland) | 1,041.39 mi (1,675.95 km) |
| Opelousas to Moberly (Missouri) | 614.75 mi (989.35 km) |
| Opelousas to Mobile (Alabama) | 236.05 mi (379.88 km) |
| Opelousas to Modesto (California) | 1,718.65 mi (2,765.89 km) |
| Opelousas to Mokena (Illinois) | 795.71 mi (1,280.56 km) |
| Opelousas to Moline (Illinois) | 762.20 mi (1,226.65 km) |
| Opelousas to Moncks Corner (South Carolina) | 731.20 mi (1,176.76 km) |
| Opelousas to Monfort Heights (Ohio) | 732.42 mi (1,178.72 km) |
| Opelousas to Monmouth (Oregon) | 1,952.04 mi (3,141.51 km) |
| Opelousas to Monroe (Georgia) | 538.81 mi (867.14 km) |
| Opelousas to Monroe (Louisiana) | 137.72 mi (221.65 km) |
| Opelousas to Monroe (Michigan) | 923.13 mi (1,485.64 km) |
| Opelousas to Monroe (North Carolina) | 736.91 mi (1,185.94 km) |
