| Groningen to Carlsbad (New Mexico) | 5,219.81 mi (8,400.47 km) |
| Groningen to Carmel (Indiana) | 4,178.81 mi (6,725.14 km) |
| Groningen to Carmichael (California) | 5,369.79 mi (8,641.85 km) |
| Groningen to Carney (Maryland) | 3,845.86 mi (6,189.32 km) |
| Groningen to Carnot-Moon (Pennsylvania) | 3,932.47 mi (6,328.69 km) |
| Groningen to Carol Stream (Illinois) | 4,152.13 mi (6,682.20 km) |
| Groningen to Carolina (Puerto Rico) | 4,488.12 mi (7,222.94 km) |
| Groningen to Carolina Forest (South Carolina) | 4,216.70 mi (6,786.12 km) |
| Groningen to Carpentersville (Illinois) | 4,147.49 mi (6,674.74 km) |
| Groningen to Carpinteria (California) | 5,576.35 mi (8,974.27 km) |
| Groningen to Carrboro (North Carolina) | 4,115.07 mi (6,622.57 km) |
| Groningen to Carroll (Iowa) | 4,377.06 mi (7,044.19 km) |
| Groningen to Carrollton (Georgia) | 4,464.75 mi (7,185.31 km) |
| Groningen to Carrollton (Texas) | 4,932.62 mi (7,938.29 km) |
| Groningen to Carrollwood (Florida) | 4,653.07 mi (7,488.40 km) |
