| Portishead to Caño Martin Peña (Puerto Rico) | 4,086.20 mi (6,576.10 km) |
| Portishead to Cañon City (Colorado) | 4,669.93 mi (7,515.52 km) |
| Portishead to Canóvanas (Puerto Rico) | 4,083.08 mi (6,571.08 km) |
| Portishead to Canton (Georgia) | 4,079.50 mi (6,565.32 km) |
| Portishead to Canton (Illinois) | 4,001.10 mi (6,439.15 km) |
| Portishead to Canton (Mississippi) | 4,386.00 mi (7,058.58 km) |
| Portishead to Canton (Ohio) | 3,648.79 mi (5,872.17 km) |
| Portishead to Canyon (Texas) | 4,728.63 mi (7,609.99 km) |
| Portishead to Canyon Lake (California) | 5,343.83 mi (8,600.06 km) |
| Portishead to Canyon Lake (Texas) | 4,853.41 mi (7,810.81 km) |
| Portishead to Cape Coral (Florida) | 4,349.00 mi (6,999.03 km) |
| Portishead to Cape Girardeau (Missouri) | 4,136.73 mi (6,657.43 km) |
| Portishead to Carbondale (Illinois) | 4,103.77 mi (6,604.37 km) |
| Portishead to Carlisle (Pennsylvania) | 3,506.97 mi (5,643.92 km) |
| Portishead to Carlsbad (California) | 5,376.27 mi (8,652.28 km) |
