| Mountain Ash to Camas (Washington) | 4,803.25 mi (7,730.09 km) |
| Mountain Ash to Cambridge (Maryland) | 3,504.15 mi (5,639.39 km) |
| Mountain Ash to Cambridge (Massachusetts) | 3,135.94 mi (5,046.81 km) |
| Mountain Ash to Camden (Arkansas) | 4,420.94 mi (7,114.82 km) |
| Mountain Ash to Camden (New Jersey) | 3,403.15 mi (5,476.85 km) |
| Mountain Ash to Cameron Park (California) | 5,152.78 mi (8,292.59 km) |
| Mountain Ash to Camp Pendleton South (California) | 5,344.66 mi (8,601.40 km) |
| Mountain Ash to Camp Springs (Maryland) | 3,527.55 mi (5,677.05 km) |
| Mountain Ash to Camp Verde (Arizona) | 5,081.07 mi (8,177.19 km) |
| Mountain Ash to Campbell (California) | 5,261.96 mi (8,468.31 km) |
| Mountain Ash to Campbellsville (Kentucky) | 3,937.70 mi (6,337.12 km) |
| Mountain Ash to Campton Hills (Illinois) | 3,844.48 mi (6,187.10 km) |
| Mountain Ash to Canby (Oregon) | 4,829.34 mi (7,772.08 km) |
| Mountain Ash to Candelaria (Puerto Rico) | 4,070.79 mi (6,551.30 km) |
| Mountain Ash to Candler-McAfee (Georgia) | 4,066.32 mi (6,544.11 km) |
