| Swansea to Chojnice | 4,748.79 mi (7,642.44 km) |
| Swansea to Chojnow | 4,794.70 mi (7,716.33 km) |
| Swansea to Chorzow | 4,939.83 mi (7,949.89 km) |
| Swansea to Choszczno | 4,699.73 mi (7,563.48 km) |
| Swansea to Chrzanow | 4,962.55 mi (7,986.45 km) |
| Swansea to Ciechanow | 4,884.59 mi (7,860.99 km) |
| Swansea to Ciechocinek | 4,823.52 mi (7,762.71 km) |
| Swansea to Cieszyn | 4,952.62 mi (7,970.48 km) |
| Swansea to Czarna Bialostocka | 4,949.64 mi (7,965.68 km) |
| Swansea to Czarnkow | 4,749.21 mi (7,643.11 km) |
| Swansea to Czechowice-Dziedzice | 4,958.53 mi (7,979.98 km) |
| Swansea to Czeladz | 4,942.98 mi (7,954.95 km) |
| Swansea to Czersk Pomorski | 4,758.77 mi (7,658.51 km) |
| Swansea to Czestochowa | 4,923.93 mi (7,924.30 km) |
| Swansea to Czluchow | 4,744.16 mi (7,634.99 km) |
