| Swansea to Butzbach | 4,565.32 mi (7,347.17 km) |
| Swansea to Buxtehude | 4,491.57 mi (7,228.48 km) |
| Swansea to Cadolzburg | 4,684.66 mi (7,539.23 km) |
| Swansea to Calbe | 4,623.41 mi (7,440.66 km) |
| Swansea to Calw | 4,631.99 mi (7,454.47 km) |
| Swansea to Castrop-Rauxel | 4,475.18 mi (7,202.10 km) |
| Swansea to Celle | 4,536.18 mi (7,300.28 km) |
| Swansea to Cham | 4,759.94 mi (7,660.38 km) |
| Swansea to Chemnitz | 4,705.68 mi (7,573.06 km) |
| Swansea to Clausthal-Zellerfeld | 4,575.72 mi (7,363.91 km) |
| Swansea to Cloppenburg | 4,455.65 mi (7,170.67 km) |
| Swansea to Coburg | 4,656.93 mi (7,494.61 km) |
| Swansea to Coesfeld | 4,455.50 mi (7,170.44 km) |
| Swansea to Cologne | 4,483.50 mi (7,215.50 km) |
| Swansea to Coswig | 4,717.59 mi (7,592.22 km) |
