| Portishead to Clarkston (Georgia) | 4,090.18 mi (6,582.50 km) |
| Portishead to Clarksville (Indiana) | 3,938.16 mi (6,337.86 km) |
| Portishead to Clarksville (Tennessee) | 4,083.97 mi (6,572.51 km) |
| Portishead to Clawson (Michigan) | 3,643.18 mi (5,863.13 km) |
| Portishead to Clay (Alabama) | 4,192.92 mi (6,747.85 km) |
| Portishead to Clayton (California) | 5,251.92 mi (8,452.15 km) |
| Portishead to Clayton (Missouri) | 4,103.14 mi (6,603.36 km) |
| Portishead to Clayton (North Carolina) | 3,763.11 mi (6,056.14 km) |
| Portishead to Clayton (Ohio) | 3,809.37 mi (6,130.59 km) |
| Portishead to Clearfield (Utah) | 4,762.25 mi (7,664.10 km) |
| Portishead to Clearlake (California) | 5,214.84 mi (8,392.47 km) |
| Portishead to Clearwater (Florida) | 4,314.63 mi (6,943.73 km) |
| Portishead to Cleburne (Texas) | 4,692.04 mi (7,551.11 km) |
| Portishead to Clemmons (North Carolina) | 3,826.08 mi (6,157.49 km) |
| Portishead to Clemson (South Carolina) | 3,989.63 mi (6,420.68 km) |
