| Opmeer to Camas (Washington) | 4,966.68 mi (7,993.11 km) |
| Opmeer to Cambridge (Maryland) | 3,819.05 mi (6,146.17 km) |
| Opmeer to Cambridge (Massachusetts) | 3,448.79 mi (5,550.29 km) |
| Opmeer to Camden (Arkansas) | 4,712.32 mi (7,583.75 km) |
| Opmeer to Camden (New Jersey) | 3,715.93 mi (5,980.21 km) |
| Opmeer to Cameron Park (California) | 5,342.66 mi (8,598.18 km) |
| Opmeer to Camp Pendleton South (California) | 5,563.08 mi (8,952.92 km) |
| Opmeer to Camp Springs (Maryland) | 3,840.05 mi (6,179.97 km) |
| Opmeer to Camp Verde (Arizona) | 5,314.63 mi (8,553.08 km) |
| Opmeer to Campbell (California) | 5,452.38 mi (8,774.75 km) |
| Opmeer to Campbellsville (Kentucky) | 4,236.40 mi (6,817.82 km) |
| Opmeer to Campton Hills (Illinois) | 4,121.37 mi (6,632.70 km) |
| Opmeer to Canby (Oregon) | 4,992.95 mi (8,035.38 km) |
| Opmeer to Candelaria (Puerto Rico) | 4,429.09 mi (7,127.92 km) |
| Opmeer to Candler-McAfee (Georgia) | 4,377.18 mi (7,044.38 km) |
