| Groningen to Clarkston (Georgia) | 4,420.66 mi (7,114.36 km) |
| Groningen to Clarksville (Indiana) | 4,247.73 mi (6,836.05 km) |
| Groningen to Clarksville (Tennessee) | 4,395.38 mi (7,073.68 km) |
| Groningen to Clawson (Michigan) | 3,943.03 mi (6,345.69 km) |
| Groningen to Clay (Alabama) | 4,516.78 mi (7,269.05 km) |
| Groningen to Clayton (California) | 5,427.42 mi (8,734.60 km) |
| Groningen to Clayton (Missouri) | 4,397.17 mi (7,076.57 km) |
| Groningen to Clayton (North Carolina) | 4,103.60 mi (6,604.11 km) |
| Groningen to Clayton (Ohio) | 4,117.10 mi (6,625.83 km) |
| Groningen to Clearfield (Utah) | 4,968.11 mi (7,995.40 km) |
| Groningen to Clearlake (California) | 5,383.67 mi (8,664.17 km) |
| Groningen to Clearwater (Florida) | 4,667.00 mi (7,510.81 km) |
| Groningen to Cleburne (Texas) | 4,985.50 mi (8,023.39 km) |
| Groningen to Clemmons (North Carolina) | 4,159.92 mi (6,694.75 km) |
| Groningen to Clemson (South Carolina) | 4,321.28 mi (6,954.43 km) |
