| Opelousas to Melzo | 5,251.11 mi (8,450.84 km) |
| Opelousas to Mendicino | 5,772.90 mi (9,290.58 km) |
| Opelousas to Menfi | 5,691.28 mi (9,159.23 km) |
| Opelousas to Mentana | 5,513.06 mi (8,872.41 km) |
| Opelousas to Merano | 5,283.08 mi (8,502.30 km) |
| Opelousas to Merate | 5,244.99 mi (8,441.00 km) |
| Opelousas to Mercato San Severino | 5,651.44 mi (9,095.12 km) |
| Opelousas to Mercogliano | 5,645.06 mi (9,084.85 km) |
| Opelousas to Mesagne | 5,790.89 mi (9,319.54 km) |
| Opelousas to Messina | 5,786.24 mi (9,312.06 km) |
| Opelousas to Mestre | 5,369.25 mi (8,640.97 km) |
| Opelousas to Mestrino | 5,351.16 mi (8,611.86 km) |
| Opelousas to Milan | 5,242.67 mi (8,437.27 km) |
| Opelousas to Milazzo | 5,771.09 mi (9,287.68 km) |
| Opelousas to Minerbio | 5,368.46 mi (8,639.70 km) |
