| Risca to Monroe (Washington) | 4,676.00 mi (7,525.29 km) |
| Risca to Monroe (Wisconsin) | 3,874.52 mi (6,235.44 km) |
| Risca to Monroeville (Pennsylvania) | 3,584.82 mi (5,769.20 km) |
| Risca to Monrovia (California) | 5,324.90 mi (8,569.60 km) |
| Risca to Monsey (New York) | 3,322.91 mi (5,347.71 km) |
| Risca to Montclair (California) | 5,320.43 mi (8,562.41 km) |
| Risca to Montclair (Virginia) | 3,566.79 mi (5,740.20 km) |
| Risca to Montebello (California) | 5,337.25 mi (8,589.48 km) |
| Risca to Monterey (California) | 5,311.53 mi (8,548.09 km) |
| Risca to Monterey Park (California) | 5,336.04 mi (8,587.53 km) |
| Risca to Montgomery (Alabama) | 4,228.69 mi (6,805.42 km) |
| Risca to Montgomery (Illinois) | 3,866.13 mi (6,221.94 km) |
| Risca to Montgomery (Ohio) | 3,822.12 mi (6,151.10 km) |
| Risca to Montgomery Village (Maryland) | 3,535.56 mi (5,689.94 km) |
| Risca to Montgomeryville (Pennsylvania) | 3,408.29 mi (5,485.11 km) |
