| Risca to Merrick (New York) | 3,321.59 mi (5,345.59 km) |
| Risca to Merrifield (Virginia) | 3,551.09 mi (5,714.93 km) |
| Risca to Merrillville (Indiana) | 3,837.29 mi (6,175.52 km) |
| Risca to Merritt Island (Florida) | 4,194.15 mi (6,749.84 km) |
| Risca to Mesa (Arizona) | 5,153.05 mi (8,293.04 km) |
| Risca to Mesquite (Nevada) | 5,049.51 mi (8,126.41 km) |
| Risca to Mesquite (Texas) | 4,622.59 mi (7,439.33 km) |
| Risca to Metairie (Louisiana) | 4,506.00 mi (7,251.71 km) |
| Risca to Methuen Town (Massachusetts) | 3,137.53 mi (5,049.37 km) |
| Risca to Metuchen (New Jersey) | 3,359.60 mi (5,406.75 km) |
| Risca to Mexico (Missouri) | 4,121.67 mi (6,633.19 km) |
| Risca to Miami (Florida) | 4,301.17 mi (6,922.06 km) |
| Risca to Miami (Oklahoma) | 4,348.24 mi (6,997.81 km) |
| Risca to Miami Beach (Florida) | 4,296.50 mi (6,914.55 km) |
| Risca to Miami Gardens (Florida) | 4,294.53 mi (6,911.37 km) |
