| Groningen to Cloverly (Maryland) | 3,878.51 mi (6,241.85 km) |
| Groningen to Clovis (California) | 5,434.75 mi (8,746.39 km) |
| Groningen to Clovis (New Mexico) | 5,070.30 mi (8,159.86 km) |
| Groningen to Clute (Texas) | 5,094.68 mi (8,199.09 km) |
| Groningen to Coachella (California) | 5,521.88 mi (8,886.60 km) |
| Groningen to Coalinga (California) | 5,493.51 mi (8,840.95 km) |
| Groningen to Coamo (Puerto Rico) | 4,521.67 mi (7,276.93 km) |
| Groningen to Coatesville (Pennsylvania) | 3,791.14 mi (6,101.25 km) |
| Groningen to Cockeysville (Maryland) | 3,846.31 mi (6,190.04 km) |
| Groningen to Cocoa (Florida) | 4,566.77 mi (7,349.50 km) |
| Groningen to Cocoa Beach (Florida) | 4,563.77 mi (7,344.68 km) |
| Groningen to Coconut Creek (Florida) | 4,653.69 mi (7,489.39 km) |
| Groningen to Coeur d'Alene (Idaho) | 4,714.49 mi (7,587.23 km) |
| Groningen to Cohoes (New York) | 3,580.36 mi (5,762.03 km) |
| Groningen to Cold Springs (Nevada) | 5,270.51 mi (8,482.06 km) |
