| Sinnai to Collegno | 407.62 mi (656.00 km) |
| Sinnai to Cologno al Serio | 434.69 mi (699.57 km) |
| Sinnai to Cologno Monzese | 430.19 mi (692.33 km) |
| Sinnai to Colorno | 393.70 mi (633.61 km) |
| Sinnai to Comacchio | 403.02 mi (648.60 km) |
| Sinnai to Comiso | 335.27 mi (539.57 km) |
| Sinnai to Como | 449.68 mi (723.69 km) |
| Sinnai to Concordia Sagittaria | 483.54 mi (778.19 km) |
| Sinnai to Concorezzo | 434.45 mi (699.18 km) |
| Sinnai to Conegliano | 481.28 mi (774.54 km) |
| Sinnai to Conselice | 384.75 mi (619.20 km) |
| Sinnai to Conselve | 431.74 mi (694.82 km) |
| Sinnai to Conversano | 433.37 mi (697.45 km) |
| Sinnai to Copertino | 474.22 mi (763.18 km) |
| Sinnai to Copparo | 409.51 mi (659.04 km) |
