| Romulus to Collegno | 4,293.64 mi (6,909.94 km) |
| Romulus to Cologno al Serio | 4,360.44 mi (7,017.45 km) |
| Romulus to Cologno Monzese | 4,345.61 mi (6,993.59 km) |
| Romulus to Colorno | 4,413.20 mi (7,102.36 km) |
| Romulus to Comacchio | 4,494.64 mi (7,233.42 km) |
| Romulus to Comiso | 4,920.75 mi (7,919.19 km) |
| Romulus to Como | 4,327.10 mi (6,963.79 km) |
| Romulus to Concordia Sagittaria | 4,478.13 mi (7,206.85 km) |
| Romulus to Concorezzo | 4,345.58 mi (6,993.54 km) |
| Romulus to Conegliano | 4,451.63 mi (7,164.21 km) |
| Romulus to Conselice | 4,488.00 mi (7,222.74 km) |
| Romulus to Conselve | 4,460.67 mi (7,178.75 km) |
| Romulus to Conversano | 4,849.83 mi (7,805.05 km) |
| Romulus to Copertino | 4,918.38 mi (7,915.36 km) |
| Romulus to Copparo | 4,472.65 mi (7,198.03 km) |
