| Swansea to Mankato (Minnesota) | 439.94 mi (708.01 km) |
| Swansea to Manor (Texas) | 710.01 mi (1,142.64 km) |
| Swansea to Manorville (New York) | 926.22 mi (1,490.61 km) |
| Swansea to Mansfield (Ohio) | 425.04 mi (684.04 km) |
| Swansea to Mansfield (Texas) | 575.53 mi (926.22 km) |
| Swansea to Manteca (California) | 1,689.55 mi (2,719.07 km) |
| Swansea to Manville (New Jersey) | 830.65 mi (1,336.80 km) |
| Swansea to Maple Grove (Minnesota) | 487.07 mi (783.87 km) |
| Swansea to Maple Heights (Ohio) | 487.46 mi (784.50 km) |
| Swansea to Maple Valley (Washington) | 1,716.61 mi (2,762.62 km) |
| Swansea to Mapleton (Utah) | 1,155.91 mi (1,860.26 km) |
| Swansea to Maplewood (Minnesota) | 471.20 mi (758.32 km) |
| Swansea to Marana (Arizona) | 1,260.12 mi (2,027.97 km) |
| Swansea to Marco Island (Florida) | 996.16 mi (1,603.17 km) |
| Swansea to Margate (Florida) | 1,022.18 mi (1,645.04 km) |
