| Harlow to Cividale del Friuli | 718.46 mi (1,156.25 km) |
| Harlow to Civita Castellana | 871.59 mi (1,402.69 km) |
| Harlow to Civitanova Marche | 861.12 mi (1,385.84 km) |
| Harlow to Civitavecchia | 864.09 mi (1,390.62 km) |
| Harlow to Civitella in Val di Chiana | 788.95 mi (1,269.69 km) |
| Harlow to Clusone | 603.62 mi (971.44 km) |
| Harlow to Coccaglio | 620.64 mi (998.82 km) |
| Harlow to Codigoro | 729.02 mi (1,173.25 km) |
| Harlow to Codogno | 632.73 mi (1,018.28 km) |
| Harlow to Codroipo | 707.36 mi (1,138.39 km) |
| Harlow to Cogoleto | 643.50 mi (1,035.62 km) |
| Harlow to Colle di Val d'Elsa | 771.73 mi (1,241.98 km) |
| Harlow to Colle Salvetti | 741.05 mi (1,192.60 km) |
| Harlow to Collecchio | 670.51 mi (1,079.09 km) |
| Harlow to Colleferro | 921.39 mi (1,482.83 km) |
