| Swansea to Cedar Park (Texas) | 711.73 mi (1,145.41 km) |
| Swansea to Cedar Rapids (Iowa) | 252.28 mi (406.01 km) |
| Swansea to Cedarburg (Wisconsin) | 344.21 mi (553.96 km) |
| Swansea to Celebration (Florida) | 857.67 mi (1,380.28 km) |
| Swansea to Celina (Ohio) | 320.31 mi (515.49 km) |
| Swansea to Celina (Texas) | 524.98 mi (844.87 km) |
| Swansea to Centennial (Colorado) | 800.58 mi (1,288.40 km) |
| Swansea to Center Point (Alabama) | 385.74 mi (620.80 km) |
| Swansea to Centereach (New York) | 911.14 mi (1,466.34 km) |
| Swansea to Centerton (Arkansas) | 280.84 mi (451.97 km) |
| Swansea to Centerville (Ohio) | 321.97 mi (518.16 km) |
| Swansea to Centerville (Utah) | 1,171.89 mi (1,885.97 km) |
| Swansea to Central (Louisiana) | 555.37 mi (893.78 km) |
| Swansea to Central Falls (Rhode Island) | 1,005.47 mi (1,618.15 km) |
| Swansea to Central Islip (New York) | 904.82 mi (1,456.17 km) |
