| Swansea to Malvern (Arkansas) | 328.76 mi (529.09 km) |
| Swansea to Manassas (Virginia) | 674.23 mi (1,085.07 km) |
| Swansea to Manassas Park (Virginia) | 676.36 mi (1,088.49 km) |
| Swansea to Manatí (Puerto Rico) | 1,980.85 mi (3,187.87 km) |
| Swansea to Manchester (Missouri) | 28.21 mi (45.40 km) |
| Swansea to Manchester (New Hampshire) | 1,014.97 mi (1,633.44 km) |
| Swansea to Manchester (Tennessee) | 303.28 mi (488.09 km) |
| Swansea to Manchester (Virginia) | 680.88 mi (1,095.77 km) |
| Swansea to Mandan (North Dakota) | 794.57 mi (1,278.73 km) |
| Swansea to Mandeville (Louisiana) | 564.91 mi (909.14 km) |
| Swansea to Mango (Florida) | 853.04 mi (1,372.84 km) |
| Swansea to Manhattan (Kansas) | 358.70 mi (577.27 km) |
| Swansea to Manhattan (New York) | 864.59 mi (1,391.42 km) |
| Swansea to Manhattan Beach (California) | 1,609.32 mi (2,589.95 km) |
| Swansea to Manitowoc (Wisconsin) | 401.53 mi (646.20 km) |
