| Risca to Madison (New Jersey) | 3,352.56 mi (5,395.43 km) |
| Risca to Madison (Wisconsin) | 3,843.28 mi (6,185.16 km) |
| Risca to Madison Heights (Michigan) | 3,626.25 mi (5,835.89 km) |
| Risca to Madison Heights (Virginia) | 3,692.01 mi (5,941.71 km) |
| Risca to Madisonville (Kentucky) | 4,037.39 mi (6,497.55 km) |
| Risca to Magalia (California) | 5,118.70 mi (8,237.76 km) |
| Risca to Magna (Utah) | 4,768.65 mi (7,674.40 km) |
| Risca to Magnolia (Arkansas) | 4,463.88 mi (7,183.92 km) |
| Risca to Maili (Hawaii) | 7,170.46 mi (11,539.73 km) |
| Risca to Maitland (Florida) | 4,208.11 mi (6,772.30 km) |
| Risca to Makakilo (Hawaii) | 7,172.52 mi (11,543.06 km) |
| Risca to Malden (Massachusetts) | 3,144.49 mi (5,060.57 km) |
| Risca to Malibu (California) | 5,358.20 mi (8,623.20 km) |
| Risca to Maltby (Washington) | 4,682.42 mi (7,535.63 km) |
| Risca to Malvern (Arkansas) | 4,393.03 mi (7,069.90 km) |
