| Tucson Mountains to Collegno | 5,853.93 mi (9,420.99 km) |
| Tucson Mountains to Cologno al Serio | 5,906.47 mi (9,505.54 km) |
| Tucson Mountains to Cologno Monzese | 5,894.15 mi (9,485.71 km) |
| Tucson Mountains to Colorno | 5,961.48 mi (9,594.08 km) |
| Tucson Mountains to Comacchio | 6,035.84 mi (9,713.75 km) |
| Tucson Mountains to Comiso | 6,507.61 mi (10,472.98 km) |
| Tucson Mountains to Como | 5,874.10 mi (9,453.46 km) |
| Tucson Mountains to Concordia Sagittaria | 6,006.46 mi (9,666.46 km) |
| Tucson Mountains to Concorezzo | 5,893.31 mi (9,484.37 km) |
| Tucson Mountains to Conegliano | 5,981.82 mi (9,626.80 km) |
| Tucson Mountains to Conselice | 6,032.57 mi (9,708.48 km) |
| Tucson Mountains to Conselve | 5,998.89 mi (9,654.28 km) |
| Tucson Mountains to Conversano | 6,394.87 mi (10,291.55 km) |
| Tucson Mountains to Copertino | 6,463.52 mi (10,402.03 km) |
| Tucson Mountains to Copparo | 6,013.93 mi (9,678.49 km) |
