| Rhondda to Middletown (Ohio) | 3,798.04 mi (6,112.36 km) |
| Rhondda to Midland (Michigan) | 3,608.41 mi (5,807.17 km) |
| Rhondda to Midland (Texas) | 4,861.60 mi (7,823.99 km) |
| Rhondda to Midlothian (Illinois) | 3,833.11 mi (6,168.79 km) |
| Rhondda to Midlothian (Texas) | 4,640.33 mi (7,467.89 km) |
| Rhondda to Midlothian (Virginia) | 3,616.72 mi (5,820.55 km) |
| Rhondda to Midvale (Utah) | 4,756.67 mi (7,655.13 km) |
| Rhondda to Midway (Florida) | 4,341.72 mi (6,987.32 km) |
| Rhondda to Midwest City (Oklahoma) | 4,502.88 mi (7,246.68 km) |
| Rhondda to Milford (Delaware) | 3,460.79 mi (5,569.60 km) |
| Rhondda to Milford city (Connecticut) | 3,263.42 mi (5,251.96 km) |
| Rhondda to Milford Mill (Maryland) | 3,497.05 mi (5,627.96 km) |
| Rhondda to Mililani Mauka (Hawaii) | 7,157.04 mi (11,518.15 km) |
| Rhondda to Mililani Town (Hawaii) | 7,159.33 mi (11,521.82 km) |
| Rhondda to Mill Creek (Washington) | 4,672.43 mi (7,519.55 km) |
