| Risca to Manor (Texas) | 4,783.01 mi (7,697.51 km) |
| Risca to Manorville (New York) | 3,281.40 mi (5,280.90 km) |
| Risca to Mansfield (Ohio) | 3,680.76 mi (5,923.62 km) |
| Risca to Mansfield (Texas) | 4,653.28 mi (7,488.74 km) |
| Risca to Manteca (California) | 5,222.67 mi (8,405.07 km) |
| Risca to Manville (New Jersey) | 3,368.93 mi (5,421.77 km) |
| Risca to Maple Grove (Minnesota) | 3,901.45 mi (6,278.78 km) |
| Risca to Maple Heights (Ohio) | 3,613.67 mi (5,815.65 km) |
| Risca to Maple Valley (Washington) | 4,705.03 mi (7,572.01 km) |
| Risca to Mapleton (Utah) | 4,783.88 mi (7,698.91 km) |
| Risca to Maplewood (Minnesota) | 3,891.25 mi (6,262.36 km) |
| Risca to Marana (Arizona) | 5,185.99 mi (8,346.05 km) |
| Risca to Marco Island (Florida) | 4,356.94 mi (7,011.82 km) |
| Risca to Margate (Florida) | 4,277.96 mi (6,884.72 km) |
| Risca to Maricopa (Arizona) | 5,182.79 mi (8,340.90 km) |
