| Northolt to Cognac | 404.26 mi (650.60 km) |
| Northolt to Cogolin | 657.00 mi (1,057.34 km) |
| Northolt to Colmar | 419.12 mi (674.50 km) |
| Northolt to Colombes | 215.09 mi (346.15 km) |
| Northolt to Colomiers | 553.80 mi (891.26 km) |
| Northolt to Combs-la-Ville | 237.36 mi (382.00 km) |
| Northolt to Comines | 156.11 mi (251.23 km) |
| Northolt to Compiegne | 203.44 mi (327.41 km) |
| Northolt to Concarneau | 299.07 mi (481.30 km) |
| Northolt to Conde-sur-l'Escaut | 188.14 mi (302.79 km) |
| Northolt to Conflans-Sainte-Honorine | 207.00 mi (333.14 km) |
| Northolt to Corbas | 471.93 mi (759.49 km) |
| Northolt to Corbeil-Essonnes | 238.81 mi (384.33 km) |
| Northolt to Cormeilles-en-Parisis | 210.92 mi (339.45 km) |
| Northolt to Cosne sur Loire | 321.73 mi (517.77 km) |
