| South Euclid to Cividale del Friuli | 4,446.42 mi (7,155.81 km) |
| South Euclid to Civita Castellana | 4,554.11 mi (7,329.14 km) |
| South Euclid to Civitanova Marche | 4,568.88 mi (7,352.91 km) |
| South Euclid to Civitavecchia | 4,536.30 mi (7,300.47 km) |
| South Euclid to Civitella in Val di Chiana | 4,481.15 mi (7,211.72 km) |
| South Euclid to Clusone | 4,314.87 mi (6,944.11 km) |
| South Euclid to Coccaglio | 4,327.90 mi (6,965.08 km) |
| South Euclid to Codigoro | 4,442.61 mi (7,149.68 km) |
| South Euclid to Codogno | 4,331.73 mi (6,971.24 km) |
| South Euclid to Codroipo | 4,433.70 mi (7,135.34 km) |
| South Euclid to Cogoleto | 4,316.54 mi (6,946.80 km) |
| South Euclid to Colle di Val d'Elsa | 4,457.58 mi (7,173.78 km) |
| South Euclid to Colle Salvetti | 4,422.83 mi (7,117.85 km) |
| South Euclid to Collecchio | 4,368.11 mi (7,029.79 km) |
| South Euclid to Colleferro | 4,602.01 mi (7,406.22 km) |
