| Opelousas to Merriam (Kansas) | 605.19 mi (973.95 km) |
| Opelousas to Merrick (New York) | 1,250.17 mi (2,011.96 km) |
| Opelousas to Merrifield (Virginia) | 1,019.24 mi (1,640.31 km) |
| Opelousas to Merrillville (Indiana) | 801.52 mi (1,289.92 km) |
| Opelousas to Merritt Island (Florida) | 703.18 mi (1,131.66 km) |
| Opelousas to Mesa (Arizona) | 1,166.23 mi (1,876.87 km) |
| Opelousas to Mesquite (Nevada) | 1,336.53 mi (2,150.94 km) |
| Opelousas to Mesquite (Texas) | 306.65 mi (493.51 km) |
| Opelousas to Metairie (Louisiana) | 119.30 mi (192.00 km) |
| Opelousas to Methuen Town (Massachusetts) | 1,426.44 mi (2,295.63 km) |
| Opelousas to Metuchen (New Jersey) | 1,209.33 mi (1,946.22 km) |
| Opelousas to Mexico (Missouri) | 596.90 mi (960.61 km) |
| Opelousas to Miami (Florida) | 793.31 mi (1,276.71 km) |
| Opelousas to Miami (Oklahoma) | 467.87 mi (752.97 km) |
| Opelousas to Miami Beach (Florida) | 796.18 mi (1,281.33 km) |
