| Estoril to Cividale del Friuli | 1,266.20 mi (2,037.75 km) |
| Estoril to Civita Castellana | 1,168.89 mi (1,881.15 km) |
| Estoril to Civitanova Marche | 1,242.80 mi (2,000.10 km) |
| Estoril to Civitavecchia | 1,136.63 mi (1,829.23 km) |
| Estoril to Civitella in Val di Chiana | 1,143.65 mi (1,840.52 km) |
| Estoril to Clusone | 1,102.37 mi (1,774.09 km) |
| Estoril to Coccaglio | 1,096.35 mi (1,764.40 km) |
| Estoril to Codigoro | 1,182.44 mi (1,902.96 km) |
| Estoril to Codogno | 1,075.01 mi (1,730.07 km) |
| Estoril to Codroipo | 1,242.66 mi (1,999.86 km) |
| Estoril to Cogoleto | 1,009.64 mi (1,624.85 km) |
| Estoril to Colle di Val d'Elsa | 1,114.58 mi (1,793.74 km) |
| Estoril to Colle Salvetti | 1,085.11 mi (1,746.32 km) |
| Estoril to Collecchio | 1,090.82 mi (1,755.51 km) |
| Estoril to Colleferro | 1,197.41 mi (1,927.05 km) |
