| Northolt to Butzbach | 399.95 mi (643.66 km) |
| Northolt to Buxtehude | 443.55 mi (713.82 km) |
| Northolt to Cadolzburg | 514.07 mi (827.32 km) |
| Northolt to Calbe | 519.81 mi (836.55 km) |
| Northolt to Calw | 447.68 mi (720.47 km) |
| Northolt to Castrop-Rauxel | 330.11 mi (531.27 km) |
| Northolt to Celle | 449.57 mi (723.52 km) |
| Northolt to Cham | 594.90 mi (957.39 km) |
| Northolt to Chemnitz | 576.67 mi (928.05 km) |
| Northolt to Clausthal-Zellerfeld | 458.62 mi (738.08 km) |
| Northolt to Cloppenburg | 367.54 mi (591.49 km) |
| Northolt to Coburg | 501.25 mi (806.69 km) |
| Northolt to Coesfeld | 323.45 mi (520.54 km) |
| Northolt to Cologne | 319.40 mi (514.03 km) |
| Northolt to Coswig | 602.02 mi (968.86 km) |
