| Welwyn Garden City to Butzbach | 395.25 mi (636.09 km) |
| Welwyn Garden City to Buxtehude | 430.19 mi (692.32 km) |
| Welwyn Garden City to Cadolzburg | 510.75 mi (821.98 km) |
| Welwyn Garden City to Calbe | 510.26 mi (821.18 km) |
| Welwyn Garden City to Calw | 447.93 mi (720.87 km) |
| Welwyn Garden City to Castrop-Rauxel | 322.09 mi (518.36 km) |
| Welwyn Garden City to Celle | 438.28 mi (705.35 km) |
| Welwyn Garden City to Cham | 591.07 mi (951.24 km) |
| Welwyn Garden City to Chemnitz | 569.30 mi (916.19 km) |
| Welwyn Garden City to Clausthal-Zellerfeld | 449.43 mi (723.28 km) |
| Welwyn Garden City to Cloppenburg | 355.25 mi (571.73 km) |
| Welwyn Garden City to Coburg | 495.87 mi (798.02 km) |
| Welwyn Garden City to Coesfeld | 313.95 mi (505.26 km) |
| Welwyn Garden City to Cologne | 313.90 mi (505.17 km) |
| Welwyn Garden City to Coswig | 593.87 mi (955.74 km) |
