| Poquoson to Castle Pines (Colorado) | 1,548.03 mi (2,491.32 km) |
| Poquoson to Castle Rock (Colorado) | 1,547.46 mi (2,490.39 km) |
| Poquoson to Castro Valley (California) | 2,482.85 mi (3,995.76 km) |
| Poquoson to Catalina Foothills (Arizona) | 1,977.91 mi (3,183.13 km) |
| Poquoson to Cataño (Puerto Rico) | 1,432.30 mi (2,305.07 km) |
| Poquoson to Cathedral City (California) | 2,251.23 mi (3,623.01 km) |
| Poquoson to Catonsville (Maryland) | 148.84 mi (239.54 km) |
| Poquoson to Cave Spring (Virginia) | 201.05 mi (323.56 km) |
| Poquoson to Cayce (South Carolina) | 343.24 mi (552.38 km) |
| Poquoson to Cayey (Puerto Rico) | 1,452.27 mi (2,337.20 km) |
| Poquoson to Cedar City (Utah) | 2,003.62 mi (3,224.52 km) |
| Poquoson to Cedar Falls (Iowa) | 929.79 mi (1,496.35 km) |
| Poquoson to Cedar Hill (Texas) | 1,206.94 mi (1,942.38 km) |
| Poquoson to Cedar Lake (Indiana) | 660.60 mi (1,063.14 km) |
| Poquoson to Cedar Mill (Oregon) | 2,442.52 mi (3,930.85 km) |
