| Rialto to Cullman (Alabama) | 1,740.17 mi (2,800.53 km) |
| Rialto to Culpeper (Virginia) | 2,197.23 mi (3,536.10 km) |
| Rialto to Culver City (California) | 58.19 mi (93.64 km) |
| Rialto to Cumberland (Maryland) | 2,151.91 mi (3,463.17 km) |
| Rialto to Cupertino (California) | 342.15 mi (550.64 km) |
| Rialto to Cutler Bay (Florida) | 2,284.10 mi (3,675.90 km) |
| Rialto to Cutlerville (Michigan) | 1,805.56 mi (2,905.77 km) |
| Rialto to Cuyahoga Falls (Ohio) | 2,006.69 mi (3,229.45 km) |
| Rialto to Cypress (California) | 42.61 mi (68.57 km) |
| Rialto to Cypress Gardens (Florida) | 2,143.74 mi (3,450.01 km) |
| Rialto to Cypress Lake (Florida) | 2,168.62 mi (3,490.06 km) |
| Rialto to D'Iberville (Mississippi) | 1,677.30 mi (2,699.36 km) |
| Rialto to Dakota Ridge (Colorado) | 775.75 mi (1,248.44 km) |
| Rialto to Dale City (Virginia) | 2,231.51 mi (3,591.26 km) |
| Rialto to Dallas (Georgia) | 1,856.04 mi (2,987.00 km) |
