| Romulus to Chivasso | 4,302.19 mi (6,923.70 km) |
| Romulus to Ciampino | 4,630.03 mi (7,451.32 km) |
| Romulus to Cicciano | 4,744.60 mi (7,635.70 km) |
| Romulus to Cingoli | 4,590.41 mi (7,387.55 km) |
| Romulus to Cinisello Balsamo | 4,342.31 mi (6,988.28 km) |
| Romulus to Cinisi | 4,804.07 mi (7,731.40 km) |
| Romulus to Cirie | 4,288.82 mi (6,902.19 km) |
| Romulus to Ciro Marina | 4,920.50 mi (7,918.78 km) |
| Romulus to Cislago | 4,328.43 mi (6,965.93 km) |
| Romulus to Cisterna di Latina | 4,648.14 mi (7,480.45 km) |
| Romulus to Cisternino | 4,872.85 mi (7,842.10 km) |
| Romulus to Citta di Castello | 4,547.24 mi (7,318.08 km) |
| Romulus to Citta Sant'Angelo | 4,659.41 mi (7,498.59 km) |
| Romulus to Cittadella | 4,440.79 mi (7,146.75 km) |
| Romulus to Cittanova | 4,922.13 mi (7,921.40 km) |
