| Groningen to Carson (California) | 5,574.40 mi (8,971.14 km) |
| Groningen to Carson City (Nevada) | 5,296.93 mi (8,524.59 km) |
| Groningen to Carteret (New Jersey) | 3,701.56 mi (5,957.09 km) |
| Groningen to Cartersville (Georgia) | 4,423.87 mi (7,119.54 km) |
| Groningen to Carthage (Missouri) | 4,617.28 mi (7,430.80 km) |
| Groningen to Cary (Illinois) | 4,141.56 mi (6,665.19 km) |
| Groningen to Cary (North Carolina) | 4,111.85 mi (6,617.38 km) |
| Groningen to Casa de Oro-Mount Helix (California) | 5,601.27 mi (9,014.37 km) |
| Groningen to Casa Grande (Arizona) | 5,435.18 mi (8,747.08 km) |
| Groningen to Casas Adobes (Arizona) | 5,444.46 mi (8,762.01 km) |
| Groningen to Cascades (Virginia) | 3,896.29 mi (6,270.48 km) |
| Groningen to Casper (Wyoming) | 4,701.61 mi (7,566.51 km) |
| Groningen to Casselberry (Florida) | 4,574.12 mi (7,361.33 km) |
| Groningen to Castaic (California) | 5,546.46 mi (8,926.16 km) |
| Groningen to Castle Pines (Colorado) | 4,844.72 mi (7,796.83 km) |
