| Groningen to Cookeville (Tennessee) | 4,348.81 mi (6,998.73 km) |
| Groningen to Coolidge (Arizona) | 5,426.07 mi (8,732.42 km) |
| Groningen to Coon Rapids (Minnesota) | 4,165.42 mi (6,703.59 km) |
| Groningen to Cooper City (Florida) | 4,670.11 mi (7,515.81 km) |
| Groningen to Coos Bay (Oregon) | 5,153.77 mi (8,294.19 km) |
| Groningen to Copiague (New York) | 3,665.27 mi (5,898.68 km) |
| Groningen to Coppell (Texas) | 4,937.21 mi (7,945.67 km) |
| Groningen to Copperas Cove (Texas) | 5,071.23 mi (8,161.35 km) |
| Groningen to Coral Gables (Florida) | 4,687.58 mi (7,543.94 km) |
| Groningen to Coral Springs (Florida) | 4,657.23 mi (7,495.08 km) |
| Groningen to Coral Terrace (Florida) | 4,686.67 mi (7,542.47 km) |
| Groningen to Coralville (Iowa) | 4,284.59 mi (6,895.38 km) |
| Groningen to Coram (New York) | 3,640.53 mi (5,858.87 km) |
| Groningen to Corcoran (California) | 5,476.15 mi (8,813.00 km) |
| Groningen to Cordele (Georgia) | 4,498.49 mi (7,239.62 km) |
