| Castel Gandolfo to Butzbach | 629.87 mi (1,013.67 km) |
| Castel Gandolfo to Buxtehude | 821.85 mi (1,322.64 km) |
| Castel Gandolfo to Cadolzburg | 539.14 mi (867.66 km) |
| Castel Gandolfo to Calbe | 702.95 mi (1,131.28 km) |
| Castel Gandolfo to Calw | 517.76 mi (833.25 km) |
| Castel Gandolfo to Castrop-Rauxel | 722.57 mi (1,162.86 km) |
| Castel Gandolfo to Celle | 761.14 mi (1,224.93 km) |
| Castel Gandolfo to Cham | 516.11 mi (830.60 km) |
| Castel Gandolfo to Chemnitz | 627.94 mi (1,010.56 km) |
| Castel Gandolfo to Clausthal-Zellerfeld | 703.44 mi (1,132.08 km) |
| Castel Gandolfo to Cloppenburg | 796.46 mi (1,281.77 km) |
| Castel Gandolfo to Coburg | 594.15 mi (956.19 km) |
| Castel Gandolfo to Coesfeld | 750.57 mi (1,207.92 km) |
| Castel Gandolfo to Cologne | 690.16 mi (1,110.71 km) |
| Castel Gandolfo to Coswig | 650.04 mi (1,046.13 km) |
