| Opmeer to Caño Martin Peña (Puerto Rico) | 4,420.69 mi (7,114.42 km) |
| Opmeer to Cañon City (Colorado) | 4,883.21 mi (7,858.76 km) |
| Opmeer to Canóvanas (Puerto Rico) | 4,417.71 mi (7,109.62 km) |
| Opmeer to Canton (Georgia) | 4,359.24 mi (7,015.53 km) |
| Opmeer to Canton (Illinois) | 4,248.89 mi (6,837.93 km) |
| Opmeer to Canton (Mississippi) | 4,657.23 mi (7,495.09 km) |
| Opmeer to Canton (Ohio) | 3,916.18 mi (6,302.49 km) |
| Opmeer to Canyon (Texas) | 4,961.87 mi (7,985.36 km) |
| Opmeer to Canyon Lake (California) | 5,532.27 mi (8,903.32 km) |
| Opmeer to Canyon Lake (Texas) | 5,110.76 mi (8,224.97 km) |
| Opmeer to Cape Coral (Florida) | 4,651.34 mi (7,485.60 km) |
| Opmeer to Cape Girardeau (Missouri) | 4,395.94 mi (7,074.59 km) |
| Opmeer to Carbondale (Illinois) | 4,362.56 mi (7,020.86 km) |
| Opmeer to Carlisle (Pennsylvania) | 3,785.34 mi (6,091.91 km) |
| Opmeer to Carlsbad (California) | 5,566.18 mi (8,957.91 km) |
