| Porsgrunn to Chantilly (Virginia) | 3,872.07 mi (6,231.50 km) |
| Porsgrunn to Chaparral (New Mexico) | 5,161.51 mi (8,306.65 km) |
| Porsgrunn to Chapel Hill (North Carolina) | 4,087.62 mi (6,578.38 km) |
| Porsgrunn to Charleston (Illinois) | 4,185.10 mi (6,735.28 km) |
| Porsgrunn to Charleston (South Carolina) | 4,292.50 mi (6,908.11 km) |
| Porsgrunn to Charleston (West Virginia) | 4,039.46 mi (6,500.88 km) |
| Porsgrunn to Charlotte (North Carolina) | 4,187.33 mi (6,738.85 km) |
| Porsgrunn to Charlottesville (Virginia) | 3,952.94 mi (6,361.65 km) |
| Porsgrunn to Chaska (Minnesota) | 4,048.87 mi (6,516.02 km) |
| Porsgrunn to Chatham (Illinois) | 4,221.37 mi (6,793.63 km) |
| Porsgrunn to Chattanooga (Tennessee) | 4,340.63 mi (6,985.58 km) |
| Porsgrunn to Cheat Lake (West Virginia) | 3,909.15 mi (6,291.17 km) |
| Porsgrunn to Chelsea (Alabama) | 4,484.42 mi (7,216.97 km) |
| Porsgrunn to Chelsea (Massachusetts) | 3,470.97 mi (5,585.98 km) |
| Porsgrunn to Cheney (Washington) | 4,491.58 mi (7,228.50 km) |
