| Porthcawl to Monroe (Washington) | 4,666.41 mi (7,509.87 km) |
| Porthcawl to Monroe (Wisconsin) | 3,855.79 mi (6,205.30 km) |
| Porthcawl to Monroeville (Pennsylvania) | 3,563.52 mi (5,734.94 km) |
| Porthcawl to Monrovia (California) | 5,310.64 mi (8,546.65 km) |
| Porthcawl to Monsey (New York) | 3,300.81 mi (5,312.15 km) |
| Porthcawl to Montclair (California) | 5,306.07 mi (8,539.30 km) |
| Porthcawl to Montclair (Virginia) | 3,544.56 mi (5,704.41 km) |
| Porthcawl to Montebello (California) | 5,322.99 mi (8,566.53 km) |
| Porthcawl to Monterey (California) | 5,298.97 mi (8,527.87 km) |
| Porthcawl to Monterey Park (California) | 5,321.80 mi (8,564.61 km) |
| Porthcawl to Montgomery (Alabama) | 4,206.56 mi (6,769.81 km) |
| Porthcawl to Montgomery (Illinois) | 3,846.88 mi (6,190.95 km) |
| Porthcawl to Montgomery (Ohio) | 3,801.35 mi (6,117.68 km) |
| Porthcawl to Montgomery Village (Maryland) | 3,513.46 mi (5,654.36 km) |
| Porthcawl to Montgomeryville (Pennsylvania) | 3,386.14 mi (5,449.47 km) |
