| Middlesex to Cividale del Friuli | 4,201.80 mi (6,762.14 km) |
| Middlesex to Civita Castellana | 4,290.41 mi (6,904.75 km) |
| Middlesex to Civitanova Marche | 4,312.24 mi (6,939.89 km) |
| Middlesex to Civitavecchia | 4,270.52 mi (6,872.74 km) |
| Middlesex to Civitella in Val di Chiana | 4,220.90 mi (6,792.88 km) |
| Middlesex to Clusone | 4,062.40 mi (6,537.79 km) |
| Middlesex to Coccaglio | 4,073.97 mi (6,556.43 km) |
| Middlesex to Codigoro | 4,189.50 mi (6,742.35 km) |
| Middlesex to Codogno | 4,075.40 mi (6,558.72 km) |
| Middlesex to Codroipo | 4,187.53 mi (6,739.17 km) |
| Middlesex to Cogoleto | 4,054.64 mi (6,525.32 km) |
| Middlesex to Colle di Val d'Elsa | 4,196.09 mi (6,752.95 km) |
| Middlesex to Colle Salvetti | 4,160.93 mi (6,696.37 km) |
| Middlesex to Collecchio | 4,110.88 mi (6,615.82 km) |
| Middlesex to Colleferro | 4,337.18 mi (6,980.02 km) |
