| Romulus to Cividale del Friuli | 4,487.48 mi (7,221.91 km) |
| Romulus to Civita Castellana | 4,601.72 mi (7,405.75 km) |
| Romulus to Civitanova Marche | 4,613.97 mi (7,425.47 km) |
| Romulus to Civitavecchia | 4,584.68 mi (7,378.32 km) |
| Romulus to Civitella in Val di Chiana | 4,527.63 mi (7,286.52 km) |
| Romulus to Clusone | 4,358.85 mi (7,014.89 km) |
| Romulus to Coccaglio | 4,372.37 mi (7,036.64 km) |
| Romulus to Codigoro | 4,486.62 mi (7,220.53 km) |
| Romulus to Codogno | 4,377.03 mi (7,044.15 km) |
| Romulus to Codroipo | 4,475.32 mi (7,202.33 km) |
| Romulus to Cogoleto | 4,363.83 mi (7,022.90 km) |
| Romulus to Colle di Val d'Elsa | 4,504.53 mi (7,249.34 km) |
| Romulus to Colle Salvetti | 4,469.97 mi (7,193.72 km) |
| Romulus to Collecchio | 4,413.68 mi (7,103.13 km) |
| Romulus to Colleferro | 4,649.96 mi (7,483.39 km) |
