| Oceanside to Cibolo (Texas) | 1,152.57 mi (1,854.88 km) |
| Oceanside to Cicero (Illinois) | 1,714.71 mi (2,759.56 km) |
| Oceanside to Cimarron Hills (Colorado) | 803.78 mi (1,293.57 km) |
| Oceanside to Cincinnati (Ohio) | 1,863.68 mi (2,999.30 km) |
| Oceanside to Cinco Ranch (Texas) | 1,289.85 mi (2,075.81 km) |
| Oceanside to Circleville (Ohio) | 1,948.89 mi (3,136.43 km) |
| Oceanside to Citrus (California) | 70.06 mi (112.74 km) |
| Oceanside to Citrus Heights (California) | 438.49 mi (705.69 km) |
| Oceanside to Citrus Park (Florida) | 2,086.03 mi (3,357.14 km) |
| Oceanside to Claiborne (Louisiana) | 1,454.28 mi (2,340.43 km) |
| Oceanside to Claremont (California) | 66.52 mi (107.05 km) |
| Oceanside to Claremont (New Hampshire) | 2,504.47 mi (4,030.56 km) |
| Oceanside to Claremore (Oklahoma) | 1,247.18 mi (2,007.14 km) |
| Oceanside to Clarksburg (Maryland) | 2,251.34 mi (3,623.18 km) |
| Oceanside to Clarksburg (West Virginia) | 2,087.73 mi (3,359.87 km) |
