| Potomac to Cheney (Washington) | 2,089.02 mi (3,361.95 km) |
| Potomac to Cherry Creek (Colorado) | 1,473.91 mi (2,372.03 km) |
| Potomac to Cherry Hill (Virginia) | 31.14 mi (50.11 km) |
| Potomac to Cherry Hill Mall (New Jersey) | 132.77 mi (213.66 km) |
| Potomac to Cherryland (California) | 2,410.32 mi (3,879.04 km) |
| Potomac to Chesapeake (Virginia) | 168.60 mi (271.33 km) |
| Potomac to Chester (Pennsylvania) | 112.96 mi (181.79 km) |
| Potomac to Chester (Virginia) | 115.50 mi (185.88 km) |
| Potomac to Chesterfield (Missouri) | 720.20 mi (1,159.04 km) |
| Potomac to Chesterton (Indiana) | 549.03 mi (883.58 km) |
| Potomac to Chestnut Ridge (New York) | 219.06 mi (352.54 km) |
| Potomac to Cheval (Florida) | 810.63 mi (1,304.59 km) |
| Potomac to Cheyenne (Wyoming) | 1,460.21 mi (2,349.98 km) |
| Potomac to Chicago (Illinois) | 584.85 mi (941.23 km) |
| Potomac to Chicago Heights (Illinois) | 576.40 mi (927.63 km) |
