| Sonoma to Cosham | 5,330.94 mi (8,579.31 km) |
| Sonoma to Costessey | 5,305.04 mi (8,537.64 km) |
| Sonoma to Cottingham | 5,202.36 mi (8,372.39 km) |
| Sonoma to Coulsdon | 5,334.32 mi (8,584.76 km) |
| Sonoma to Coventry | 5,239.54 mi (8,432.22 km) |
| Sonoma to Cowdenbeath | 5,006.12 mi (8,056.58 km) |
| Sonoma to Cowes | 5,328.06 mi (8,574.68 km) |
| Sonoma to Cowley | 5,313.80 mi (8,551.74 km) |
| Sonoma to Cowley | 5,281.89 mi (8,500.38 km) |
| Sonoma to Cramlington | 5,105.06 mi (8,215.79 km) |
| Sonoma to Cranleigh | 5,333.65 mi (8,583.67 km) |
| Sonoma to Crawley | 5,343.62 mi (8,599.73 km) |
| Sonoma to Crayford | 5,337.19 mi (8,589.38 km) |
| Sonoma to Crewe | 5,178.23 mi (8,333.56 km) |
| Sonoma to Crigglestone | 5,177.85 mi (8,332.94 km) |
