| Mason City to Capodrise | 5,079.75 mi (8,175.07 km) |
| Mason City to Capoterra | 4,959.12 mi (7,980.93 km) |
| Mason City to Capriolo | 4,705.09 mi (7,572.11 km) |
| Mason City to Capua | 5,073.85 mi (8,165.57 km) |
| Mason City to Capurso | 5,177.59 mi (8,332.53 km) |
| Mason City to Carate Brianza | 4,671.55 mi (7,518.13 km) |
| Mason City to Caravaggio | 4,700.51 mi (7,564.74 km) |
| Mason City to Carbonera | 4,789.11 mi (7,707.32 km) |
| Mason City to Carbonia | 4,941.36 mi (7,952.35 km) |
| Mason City to Cardito | 5,084.50 mi (8,182.72 km) |
| Mason City to Carignano | 4,652.46 mi (7,487.41 km) |
| Mason City to Carini | 5,175.37 mi (8,328.95 km) |
| Mason City to Carlentini | 5,288.23 mi (8,510.59 km) |
| Mason City to Carmagnola | 4,656.59 mi (7,494.06 km) |
| Mason City to Carmiano | 5,253.79 mi (8,455.17 km) |
