| Portchester to Culpeper (Virginia) | 3,697.54 mi (5,950.61 km) |
| Portchester to Culver City (California) | 5,446.44 mi (8,765.20 km) |
| Portchester to Cumberland (Maryland) | 3,676.46 mi (5,916.68 km) |
| Portchester to Cupertino (California) | 5,372.85 mi (8,646.76 km) |
| Portchester to Cutler Bay (Florida) | 4,408.92 mi (7,095.47 km) |
| Portchester to Cutlerville (Michigan) | 3,811.64 mi (6,134.24 km) |
| Portchester to Cuyahoga Falls (Ohio) | 3,721.86 mi (5,989.75 km) |
| Portchester to Cypress (California) | 5,445.35 mi (8,763.45 km) |
| Portchester to Cypress Gardens (Florida) | 4,346.33 mi (6,994.75 km) |
| Portchester to Cypress Lake (Florida) | 4,428.11 mi (7,126.36 km) |
| Portchester to D'Iberville (Mississippi) | 4,527.40 mi (7,286.15 km) |
| Portchester to Dakota Ridge (Colorado) | 4,689.53 mi (7,547.07 km) |
| Portchester to Dale City (Virginia) | 3,662.60 mi (5,894.38 km) |
| Portchester to Dallas (Georgia) | 4,191.35 mi (6,745.33 km) |
| Portchester to Dallas (Oregon) | 4,973.38 mi (8,003.88 km) |
