| Groningen to Crest Hill (Illinois) | 4,168.83 mi (6,709.08 km) |
| Groningen to Crestview (Florida) | 4,670.00 mi (7,515.64 km) |
| Groningen to Crestwood (Illinois) | 4,151.92 mi (6,681.86 km) |
| Groningen to Crestwood (Missouri) | 4,403.42 mi (7,086.61 km) |
| Groningen to Creve Coeur (Missouri) | 4,400.30 mi (7,081.59 km) |
| Groningen to Crofton (Maryland) | 3,870.65 mi (6,229.21 km) |
| Groningen to Crossville (Tennessee) | 4,340.73 mi (6,985.73 km) |
| Groningen to Crowley (Louisiana) | 4,917.80 mi (7,914.44 km) |
| Groningen to Crowley (Texas) | 4,971.38 mi (8,000.67 km) |
| Groningen to Crown Point (Indiana) | 4,149.44 mi (6,677.88 km) |
| Groningen to Crystal (Minnesota) | 4,174.08 mi (6,717.53 km) |
| Groningen to Crystal Lake (Illinois) | 4,143.56 mi (6,668.41 km) |
| Groningen to Cudahy (California) | 5,564.79 mi (8,955.67 km) |
| Groningen to Cudahy (Wisconsin) | 4,091.40 mi (6,584.47 km) |
| Groningen to Cullman (Alabama) | 4,500.43 mi (7,242.74 km) |
