| Sonoma to Celano | 6,233.49 mi (10,031.83 km) |
| Sonoma to Cento | 6,018.04 mi (9,685.10 km) |
| Sonoma to Cepagatti | 6,231.35 mi (10,028.40 km) |
| Sonoma to Ceprano | 6,263.41 mi (10,079.99 km) |
| Sonoma to Cercola | 6,326.55 mi (10,181.61 km) |
| Sonoma to Cerea | 5,989.65 mi (9,639.41 km) |
| Sonoma to Cerese | 5,985.17 mi (9,632.21 km) |
| Sonoma to Cerignola | 6,345.88 mi (10,212.70 km) |
| Sonoma to Cermenate | 5,901.61 mi (9,497.73 km) |
| Sonoma to Cernusco sul Naviglio | 5,918.96 mi (9,525.65 km) |
| Sonoma to Cerreto Guidi | 6,061.66 mi (9,755.30 km) |
| Sonoma to Cerro Maggiore | 5,903.39 mi (9,500.60 km) |
| Sonoma to Certaldo | 6,078.58 mi (9,782.53 km) |
| Sonoma to Cerveteri | 6,197.17 mi (9,973.38 km) |
| Sonoma to Cervia | 6,074.89 mi (9,776.58 km) |
