| Penarth to Chojnice | 880.95 mi (1,417.75 km) |
| Penarth to Chojnow | 822.13 mi (1,323.10 km) |
| Penarth to Chorzow | 964.07 mi (1,551.52 km) |
| Penarth to Choszczno | 792.16 mi (1,274.86 km) |
| Penarth to Chrzanow | 986.11 mi (1,587.00 km) |
| Penarth to Ciechanow | 1,009.37 mi (1,624.43 km) |
| Penarth to Ciechocinek | 932.29 mi (1,500.37 km) |
| Penarth to Cieszyn | 959.80 mi (1,544.65 km) |
| Penarth to Czarna Bialostocka | 1,117.02 mi (1,797.67 km) |
| Penarth to Czarnkow | 839.90 mi (1,351.69 km) |
| Penarth to Czechowice-Dziedzice | 972.94 mi (1,565.80 km) |
| Penarth to Czeladz | 969.28 mi (1,559.90 km) |
| Penarth to Czersk Pomorski | 898.47 mi (1,445.94 km) |
| Penarth to Czestochowa | 963.91 mi (1,551.26 km) |
| Penarth to Czluchow | 873.38 mi (1,405.56 km) |
