| Swansea to Mendota (California) | 1,659.57 mi (2,670.83 km) |
| Swansea to Mendota Heights (Minnesota) | 466.59 mi (750.90 km) |
| Swansea to Menifee (California) | 1,548.66 mi (2,492.33 km) |
| Swansea to Menlo Park (California) | 1,744.57 mi (2,807.61 km) |
| Swansea to Menomonee Falls (Wisconsin) | 332.25 mi (534.71 km) |
| Swansea to Menomonie (Wisconsin) | 449.00 mi (722.60 km) |
| Swansea to Mentor (Ohio) | 505.52 mi (813.56 km) |
| Swansea to Mequon (Wisconsin) | 340.11 mi (547.35 km) |
| Swansea to Merced (California) | 1,656.42 mi (2,665.74 km) |
| Swansea to Mercedes (Texas) | 972.55 mi (1,565.17 km) |
| Swansea to Mercer Island (Washington) | 1,727.80 mi (2,780.63 km) |
| Swansea to Mercerville (New Jersey) | 823.84 mi (1,325.85 km) |
| Swansea to Meriden (Connecticut) | 930.74 mi (1,497.88 km) |
| Swansea to Meridian (Idaho) | 1,412.73 mi (2,273.57 km) |
| Swansea to Meridian (Mississippi) | 432.22 mi (695.59 km) |
